diff --git a/Model/Carrier/AdditionalInfo.php b/Model/Carrier/AdditionalInfo.php
index 2c82b4fbfbdb018d64aaca300e5e129b01dd83cd..215dc086b87335f05ad724bcc51fc4b730f7476a 100644
--- a/Model/Carrier/AdditionalInfo.php
+++ b/Model/Carrier/AdditionalInfo.php
@@ -57,8 +57,7 @@ class AdditionalInfo
     {
         $data = $this->getRequestBody();
 
-        if (
-            isset($data['address']) && is_array($data['address']) &&
+        if (isset($data['address']) && is_array($data['address']) &&
             isset($data['address']['custom_attributes'][0]) && is_array($data['address']['custom_attributes'][0]) &&
             isset($data['address']['custom_attributes'][0]['value'])
         ) {
diff --git a/Model/Carrier/BobGo.php b/Model/Carrier/BobGo.php
index 345327a3a12a7480111a0fd7fdffa3ffacf6e658..386e4cbc07cd86549a73eaed2cfa25fa22a35185 100644
--- a/Model/Carrier/BobGo.php
+++ b/Model/Carrier/BobGo.php
@@ -145,7 +145,7 @@ class BobGo extends AbstractCarrierOnline implements \Magento\Shipping\Model\Car
      * @param JsonFactory $jsonFactory
      * @param CurlFactory $curlFactory
      * @param MagentoHttp $request
-     * @param array<string, mixed> $data
+     * @param array<string,mixed> $data
      */
     public function __construct(
         ScopeConfigInterface $scopeConfig,
@@ -230,7 +230,7 @@ class BobGo extends AbstractCarrierOnline implements \Magento\Shipping\Model\Car
     /**
      * Makes a request to the Bob Go API to get shipping rates for the cart.
      *
-     * @param array<string, mixed> $payload
+     * @param array<string,mixed> $payload
      * @return array<int|string, mixed>
      */
     public function getRates(array $payload): array
@@ -587,7 +587,7 @@ class BobGo extends AbstractCarrierOnline implements \Magento\Shipping\Model\Car
     /**
      * Parse tracking response
      *
-     * @param string|array<int, string> $trackingValue
+     * @param string|array<int,string> $trackingValue
      * @return void
      */
     protected function _parseTrackingResponse($trackingValue)
@@ -867,7 +867,7 @@ class BobGo extends AbstractCarrierOnline implements \Magento\Shipping\Model\Car
     /**
      * Perform API Request to Bob Go API and return response.
      *
-     * @param array<string, mixed> $payload The payload for the API request.
+     * @param array<string,mixed> $payload The payload for the API request.
      * @param Result $result The result object to append the rates.
      * @return void
      */
@@ -879,8 +879,7 @@ class BobGo extends AbstractCarrierOnline implements \Magento\Shipping\Model\Car
         if (is_array($rates)) {
             $this->_formatRates($rates, $result);
         } else {
-            $this->_logger->error('Bob Go API returned an invalid response:
-            expected an array but received ' . gettype($rates));
+            $this->_logger->error('Bob Go API returned an invalid response');
         }
     }
 
@@ -888,7 +887,7 @@ class BobGo extends AbstractCarrierOnline implements \Magento\Shipping\Model\Car
      * Perform API Request for Shipment Tracking to Bob Go API and return response.
      *
      * @param string $trackInfo The tracking information or tracking ID.
-     * @param array<string, array<int, array<string, string>>> $result The result array to be
+     * @param array<string,array<int,array<string,string>>> $result The result array to be
      * populated with tracking details.
      * @return array<string, array<int, array<string, string>>> The updated result array with tracking details.
      */
@@ -907,7 +906,7 @@ class BobGo extends AbstractCarrierOnline implements \Magento\Shipping\Model\Car
     /**
      * Format rates from Bob Go API response and append to rate result instance of carrier.
      *
-     * @param array<int|string, mixed> $rates The rates data from the API.
+     * @param array<int|string,mixed> $rates The rates data from the API.
      * @param Result $result The result object to append the rates.
      * @return void
      */
@@ -980,8 +979,8 @@ class BobGo extends AbstractCarrierOnline implements \Magento\Shipping\Model\Car
     /**
      * Prepare received checkpoints and activity from Bob Go Shipment Tracking API.
      *
-     * @param array<string, mixed> $response The API response containing tracking checkpoints.
-     * @param array<string, array<int, array<string, string>>> $result The result array to be
+     * @param array<string,mixed> $response The API response containing tracking checkpoints.
+     * @param array<string,array<int,array<string,string>>> $result The result array to be
      * populated with activity details.
      * @return array<string, array<int, array<string, string>>> The updated result array with activity details.
      */
@@ -1056,7 +1055,7 @@ class BobGo extends AbstractCarrierOnline implements \Magento\Shipping\Model\Car
     /**
      * Build the payload for Bob Go API request and return the response.
      *
-     * @param array<string, mixed> $payload The payload for the API request.
+     * @param array<string,mixed> $payload The payload for the API request.
      * @return array<int|string, mixed>|null The decoded response, or null if the response could not be decoded
      * or is not an array.
      */
@@ -1177,7 +1176,7 @@ class BobGo extends AbstractCarrierOnline implements \Magento\Shipping\Model\Car
      *
      * @param \Magento\Quote\Model\Quote\Item[] $items The items in the cart.
      * @param string $weightUnit The unit of weight used for the items.
-     * @param array<int, array<string, mixed>> $itemsArray The array to store the processed item details.
+     * @param array<int,array<string,mixed>> $itemsArray The array to store the processed item details.
      * @return array<int, array<string, mixed>> The array containing details of each item,
      * including SKU, quantity, price, and weight.
      */
diff --git a/Plugin/Checkout/Block/LayoutProcessorPlugin.php b/Plugin/Checkout/Block/LayoutProcessorPlugin.php
index e3e4a0e0680bfd9390388156832a761c9a6893e3..d5d302a7f298e317302e50b96b1932e0ccfe7736 100644
--- a/Plugin/Checkout/Block/LayoutProcessorPlugin.php
+++ b/Plugin/Checkout/Block/LayoutProcessorPlugin.php
@@ -18,8 +18,8 @@ class LayoutProcessorPlugin
     /**
      * Modify checkout layout to add suburb field.
      *
-     * @param LayoutProcessor $subject
-     * @param array<string, mixed> $jsLayout The JS layout array to be modified.
+     * @param LayoutProcessor $subject The subject being processed.
+     * @param array<string,mixed> $jsLayout The JS layout array to be modified.
      * @return array<string, mixed> The modified JS layout array.
      */
     public function afterProcess(
diff --git a/Test/Unit/Block/System/Config/Form/Field/VersionTest.php b/Test/Unit/Block/System/Config/Form/Field/VersionTest.php
index b031749a3d0f7cc0d59d4d0ecf46fff1b149fcae..ad57e650ae7aa8d077d0755982bb19e8291f4317 100644
--- a/Test/Unit/Block/System/Config/Form/Field/VersionTest.php
+++ b/Test/Unit/Block/System/Config/Form/Field/VersionTest.php
@@ -34,7 +34,13 @@ class VersionTest extends TestCase
         $this->versionBlock = new Version($this->contextMock, $this->helperMock);
     }
 
-    private function callProtectedMethod($object, $methodName, array $parameters = [])
+    /**
+     * @param object $object
+     * @param string $methodName
+     * @param array<int, mixed> $parameters
+     * @return mixed
+     */
+    private function callProtectedMethod(object $object, string $methodName, array $parameters = [])
     {
         $reflection = new \ReflectionClass($object);
         $method = $reflection->getMethod($methodName);
@@ -43,7 +49,7 @@ class VersionTest extends TestCase
         return $method->invokeArgs($object, $parameters);
     }
 
-    public function testGetElementHtml()
+    public function testGetElementHtml(): void
     {
         // Mock the AbstractElement
         $elementMock = $this->createMock(AbstractElement::class);
@@ -69,7 +75,7 @@ class VersionTest extends TestCase
         $this->assertEquals($expectedHtml, $result);
     }
 
-    public function testGetElementHtmlWithNonStringValue()
+    public function testGetElementHtmlWithNonStringValue(): void
     {
         // Mock the AbstractElement
         $elementMock = $this->createMock(AbstractElement::class);
diff --git a/Test/Unit/Helper/DataTest.php b/Test/Unit/Helper/DataTest.php
index 1063ae1d1344ad560e4d3388fb7dd551048787e2..ca45a68a744fcd77185afac7bf655905f75a8e38 100644
--- a/Test/Unit/Helper/DataTest.php
+++ b/Test/Unit/Helper/DataTest.php
@@ -51,7 +51,7 @@ class DataTest extends TestCase
         $this->helper = new Data($this->contextMock, $this->moduleListMock);
     }
 
-    public function testIsEnabled()
+    public function testIsEnabled(): void
     {
         // Mock the scopeConfig to return '1' when checking if the module is enabled
         $this->scopeConfigMock->method('getValue')
@@ -62,7 +62,7 @@ class DataTest extends TestCase
         $this->assertEquals('1', $result);
     }
 
-    public function testIsEnabledReturnsNullWhenDisabled()
+    public function testIsEnabledReturnsNullWhenDisabled(): void
     {
         // Mock the scopeConfig to return null when the module is disabled
         $this->scopeConfigMock->method('getValue')
@@ -73,7 +73,7 @@ class DataTest extends TestCase
         $this->assertNull($result);
     }
 
-    public function testGetDebugStatus()
+    public function testGetDebugStatus(): void
     {
         // Mock the scopeConfig to return '1' when checking if debug is enabled
         $this->scopeConfigMock->method('getValue')
@@ -84,7 +84,7 @@ class DataTest extends TestCase
         $this->assertEquals('1', $result);
     }
 
-    public function testGetDebugStatusReturnsNullWhenDisabled()
+    public function testGetDebugStatusReturnsNullWhenDisabled(): void
     {
         // Mock the scopeConfig to return null when debug is disabled
         $this->scopeConfigMock->method('getValue')
@@ -95,7 +95,7 @@ class DataTest extends TestCase
         $this->assertNull($result);
     }
 
-    public function testGetExtensionVersion()
+    public function testGetExtensionVersion(): void
     {
         // Mock the moduleList to return a specific version
         $this->moduleListMock->method('getOne')
@@ -106,7 +106,7 @@ class DataTest extends TestCase
         $this->assertEquals('1.2.3', $result);
     }
 
-    public function testGetExtensionVersionReturnsNAWhenModuleNotFound()
+    public function testGetExtensionVersionReturnsNAWhenModuleNotFound(): void
     {
         // Mock the moduleList to return null (module not found)
         $this->moduleListMock->method('getOne')
@@ -117,7 +117,7 @@ class DataTest extends TestCase
         $this->assertEquals('N/A', $result);
     }
 
-    public function testLogWithDebugEnabled()
+    public function testLogWithDebugEnabled(): void
     {
         // Mock the scopeConfig to return '1' when checking if debug is enabled
         $this->scopeConfigMock->method('getValue')
@@ -132,7 +132,7 @@ class DataTest extends TestCase
         $this->helper->log('Test message');
     }
 
-    public function testLogWithDebugDisabled()
+    public function testLogWithDebugDisabled(): void
     {
         // Mock the scopeConfig to return null when debug is disabled
         $this->scopeConfigMock->method('getValue')
@@ -146,7 +146,7 @@ class DataTest extends TestCase
         $this->helper->log('Test message');
     }
 
-    public function testLogWithSeparator()
+    public function testLogWithSeparator(): void
     {
         // Mock the scopeConfig to return '1' when checking if debug is enabled
         $this->scopeConfigMock->method('getValue')
diff --git a/Test/Unit/Model/Carrier/AdditionalInfoTest.php b/Test/Unit/Model/Carrier/AdditionalInfoTest.php
index c9a95b22d4a4cdb82cce3b182b6d99a3a2cecacd..4c143753a95f45dfba0234fac4d60dff151fdcdc 100644
--- a/Test/Unit/Model/Carrier/AdditionalInfoTest.php
+++ b/Test/Unit/Model/Carrier/AdditionalInfoTest.php
@@ -10,9 +10,16 @@ use PHPUnit\Framework\TestCase;
 
 class AdditionalInfoTest extends TestCase
 {
+    /** @var AdditionalInfo */
     private $additionalInfo;
+
+    /** @var Http|\PHPUnit\Framework\MockObject\MockObject */
     private $requestMock;
+
+    /** @var CountryFactory|\PHPUnit\Framework\MockObject\MockObject */
     private $countryFactoryMock;
+
+    /** @var Country|\PHPUnit\Framework\MockObject\MockObject */
     private $countryMock;
 
     protected function setUp(): void
@@ -30,7 +37,7 @@ class AdditionalInfoTest extends TestCase
         $this->additionalInfo = new AdditionalInfo($this->countryFactoryMock, $this->requestMock);
     }
 
-    public function testGetCountryName()
+    public function testGetCountryName(): void
     {
         $countryId = 'US';
 
@@ -42,7 +49,7 @@ class AdditionalInfoTest extends TestCase
         $this->assertEquals('United States', $result);
     }
 
-    public function testGetDestComp()
+    public function testGetDestComp(): void
     {
         $requestBody = json_encode([
             'address' => [
@@ -58,7 +65,7 @@ class AdditionalInfoTest extends TestCase
         $this->assertEquals('Test Company', $result);
     }
 
-    public function testGetDestCompReturnsEmptyStringWhenNotSet()
+    public function testGetDestCompReturnsEmptyStringWhenNotSet(): void
     {
         $requestBody = json_encode([]);
 
@@ -70,7 +77,7 @@ class AdditionalInfoTest extends TestCase
         $this->assertEquals('', $result);
     }
 
-    public function testGetSuburb()
+    public function testGetSuburb(): void
     {
         $requestBody = json_encode([
             'address' => [
@@ -88,7 +95,7 @@ class AdditionalInfoTest extends TestCase
         $this->assertEquals('Test Suburb', $result);
     }
 
-    public function testGetSuburbReturnsEmptyStringWhenNotSet()
+    public function testGetSuburbReturnsEmptyStringWhenNotSet(): void
     {
         $requestBody = json_encode([]);
 
@@ -100,7 +107,7 @@ class AdditionalInfoTest extends TestCase
         $this->assertEquals('', $result);
     }
 
-    public function testGetDestTelephone()
+    public function testGetDestTelephone(): void
     {
         $requestBody = json_encode([
             'address' => [
@@ -116,7 +123,7 @@ class AdditionalInfoTest extends TestCase
         $this->assertEquals('123456789', $result);
     }
 
-    public function testGetDestTelephoneReturnsEmptyStringWhenNotSet()
+    public function testGetDestTelephoneReturnsEmptyStringWhenNotSet(): void
     {
         $requestBody = json_encode([]);
 
diff --git a/Test/Unit/Model/Carrier/BobGoTest.php b/Test/Unit/Model/Carrier/BobGoTest.php
index e18a792a6f771af6c264a4318cecbd845e729d7c..a40c30247f1825ac373fab6db0b7042dab157c69 100644
--- a/Test/Unit/Model/Carrier/BobGoTest.php
+++ b/Test/Unit/Model/Carrier/BobGoTest.php
@@ -13,11 +13,10 @@ use Magento\Directory\Model\RegionFactory;
 use Magento\Framework\App\Config\ScopeConfigInterface;
 use Magento\Framework\App\Request\Http as MagentoHttp;
 use Magento\Framework\Controller\Result\JsonFactory;
-use Magento\Framework\DataObject;
 use Magento\Framework\HTTP\Client\Curl;
 use Magento\Framework\HTTP\Client\CurlFactory;
 use Magento\Framework\Xml\Security;
-use Magento\Quote\Model\Quote\Address\RateRequest;
+use Magento\Quote\Model\Quote\Address\RateRequest;  // Correct class reference
 use Magento\Quote\Model\Quote\Address\RateResult\ErrorFactory;
 use Magento\Quote\Model\Quote\Address\RateResult\MethodFactory;
 use Magento\Shipping\Model\Rate\ResultFactory;
@@ -29,12 +28,25 @@ use Psr\Log\LoggerInterface;
 
 class BobGoTest extends TestCase
 {
+    /** @var BobGo */
     private $bobGo;
+
+    /** @var StoreManagerInterface|\PHPUnit\Framework\MockObject\MockObject */
     private $storeManagerMock;
+
+    /** @var ScopeConfigInterface|\PHPUnit\Framework\MockObject\MockObject */
     private $scopeConfigMock;
+
+    /** @var Curl|\PHPUnit\Framework\MockObject\MockObject */
     private $curlMock;
+
+    /** @var ResultFactory|\PHPUnit\Framework\MockObject\MockObject */
     private $resultFactoryMock;
+
+    /** @var MethodFactory|\PHPUnit\Framework\MockObject\MockObject */
     private $methodFactoryMock;
+
+    /** @var AdditionalInfo|\PHPUnit\Framework\MockObject\MockObject */
     private $additionalInfoMock;
 
     protected function setUp(): void
@@ -98,10 +110,7 @@ class BobGoTest extends TestCase
         $this->bobGo->additionalInfo = $this->additionalInfoMock;
     }
 
-
-// Your test methods go here...
-
-public function testGetBaseUrl()
+    public function testGetBaseUrl(): void
     {
         $storeMock = $this->createMock(\Magento\Store\Model\Store::class);
         $this->storeManagerMock->method('getStore')->willReturn($storeMock);
@@ -112,7 +121,7 @@ public function testGetBaseUrl()
         $this->assertEquals('example.com', $baseUrl);
     }
 
-    public function testGetDestComp()
+    public function testGetDestComp(): void
     {
         $this->additionalInfoMock->method('getDestComp')->willReturn('Test Company');
 
@@ -121,7 +130,7 @@ public function testGetBaseUrl()
         $this->assertEquals('Test Company', $destComp);
     }
 
-    public function testGetDestSuburb()
+    public function testGetDestSuburb(): void
     {
         $this->additionalInfoMock->method('getSuburb')->willReturn('Test Suburb');
 
@@ -130,7 +139,7 @@ public function testGetBaseUrl()
         $this->assertEquals('Test Suburb', $destSuburb);
     }
 
-    public function testGetRates()
+    public function testGetRates(): void
     {
         $payload = [
             'identifier' => 'example.com',
@@ -168,7 +177,7 @@ public function testGetBaseUrl()
         $this->assertEquals('rate-1', $rates['rates'][0]['id']);
     }
 
-    public function testProcessAdditionalValidation()
+    public function testProcessAdditionalValidation(): void
     {
         // Create a mock for Product
         $productMock = $this->createMock(\Magento\Catalog\Model\Product::class);
@@ -179,7 +188,7 @@ public function testGetBaseUrl()
         $quoteItemMock = $this->createMock(\Magento\Quote\Model\Quote\Item::class);
         $quoteItemMock->method('getProduct')->willReturn($productMock);
 
-        // Create a real RateRequest object
+        // Create a real RateRequest object from the correct namespace
         $rateRequest = new RateRequest();
         $rateRequest->setDestPostcode('12345');
         $rateRequest->setDestCountryId('ZA');
@@ -189,6 +198,4 @@ public function testGetBaseUrl()
 
         $this->assertInstanceOf(BobGo::class, $result);
     }
-
-
 }
diff --git a/Test/Unit/Model/Carrier/USubsTest.php b/Test/Unit/Model/Carrier/USubsTest.php
index e1c1f0692025190362ab486aaeb060bcfe15f0d7..dc2d393d541183d64d35be3f4c49af1acd7a1cfc 100644
--- a/Test/Unit/Model/Carrier/USubsTest.php
+++ b/Test/Unit/Model/Carrier/USubsTest.php
@@ -25,7 +25,7 @@ class USubsTest extends TestCase
         $this->uSubs = new USubs($this->requestMock);
     }
 
-    public function testGetDestComp()
+    public function testGetDestComp(): void
     {
         $requestBody = json_encode([
             'address' => [
@@ -33,6 +33,7 @@ class USubsTest extends TestCase
             ]
         ]);
 
+        // Ensure getContent returns a valid JSON string
         $this->requestMock->method('getContent')
             ->willReturn($requestBody);
 
@@ -41,19 +42,18 @@ class USubsTest extends TestCase
         $this->assertEquals('Test Company', $result);
     }
 
-    public function testGetDestCompReturnsEmptyStringWhenNotSet()
+    public function testGetDestCompReturnsEmptyStringWhenNotSet(): void
     {
-        $requestBody = json_encode([]);
-
+        // Return an empty JSON object
         $this->requestMock->method('getContent')
-            ->willReturn($requestBody);
+            ->willReturn('{}');
 
         $result = $this->uSubs->getDestComp();
 
         $this->assertEquals('', $result);
     }
 
-    public function testGetDestCompReturnsEmptyStringWhenInvalidStructure()
+    public function testGetDestCompReturnsEmptyStringWhenInvalidStructure(): void
     {
         // Test case where the JSON structure is invalid
         $requestBody = json_encode([
diff --git a/Test/Unit/Model/Source/FreemethodTest.php b/Test/Unit/Model/Source/FreemethodTest.php
index 7b70d1111a52e026388ac20f8e95dec31c0f1598..0dc63f485bcb14bcb151c33017ddea39f1aa7463 100644
--- a/Test/Unit/Model/Source/FreemethodTest.php
+++ b/Test/Unit/Model/Source/FreemethodTest.php
@@ -27,7 +27,7 @@ class FreemethodTest extends TestCase
         $this->freemethod = new Freemethod($this->bobGoMock);
     }
 
-    public function testToOptionArray()
+    public function testToOptionArray(): void
     {
         // Call the method under test
         $result = $this->freemethod->toOptionArray();
diff --git a/Test/Unit/Model/Source/GenericTest.php b/Test/Unit/Model/Source/GenericTest.php
index b9e0cfac8e10218b17e2db051ff1d0bd5704c01a..abb2441c42e38d292c64be7853dc302069bf93a0 100644
--- a/Test/Unit/Model/Source/GenericTest.php
+++ b/Test/Unit/Model/Source/GenericTest.php
@@ -33,7 +33,7 @@ class GenericTest extends TestCase
         $codeProperty->setValue($this->generic, 'test_code');
     }
 
-    public function testToOptionArray()
+    public function testToOptionArray(): void
     {
         // Set up the expected return value from the BobGo's getCode method
         $this->bobGoMock->method('getCode')->with('test_code')->willReturn([
@@ -53,7 +53,7 @@ class GenericTest extends TestCase
         $this->assertEquals($expected, $result);
     }
 
-    public function testToOptionArrayWithEmptyConfig()
+    public function testToOptionArrayWithEmptyConfig(): void
     {
         // Set up the getCode method to return null
         $this->bobGoMock->method('getCode')->with('test_code')->willReturn(null);
diff --git a/Test/Unit/Observer/ConfigChangeObserverTest.php b/Test/Unit/Observer/ConfigChangeObserverTest.php
index 2838be88f2ce31b2293db5cf2aec092d38ecdbaa..695f03a60111ec5d2c363862944976106bc56516 100644
--- a/Test/Unit/Observer/ConfigChangeObserverTest.php
+++ b/Test/Unit/Observer/ConfigChangeObserverTest.php
@@ -46,7 +46,7 @@ class ConfigChangeObserverTest extends TestCase
         );
     }
 
-    public function testExecuteWithActiveCarrierAndSuccessfulConnection()
+    public function testExecuteWithActiveCarrierAndSuccessfulConnection(): void
     {
         // Set up the observer mock
         $observerMock = $this->createMock(Observer::class);
@@ -68,7 +68,7 @@ class ConfigChangeObserverTest extends TestCase
         $this->observer->execute($observerMock);
     }
 
-    public function testExecuteWithActiveCarrierAndFailedConnection()
+    public function testExecuteWithActiveCarrierAndFailedConnection(): void
     {
         // Set up the observer mock
         $observerMock = $this->createMock(Observer::class);
@@ -93,7 +93,7 @@ class ConfigChangeObserverTest extends TestCase
         $this->observer->execute($observerMock);
     }
 
-    public function testExecuteWithInactiveCarrier()
+    public function testExecuteWithInactiveCarrier(): void
     {
         // Set up the observer mock
         $observerMock = $this->createMock(Observer::class);
diff --git a/Test/Unit/Plugin/AddWeightUnitToOrderPluginTest.php b/Test/Unit/Plugin/AddWeightUnitToOrderPluginTest.php
index 6dc3e80325cef30ff66cdc36f6beae8e094a392d..d4bf6b6a7bf13d9d841da2c05dc13126e06467f2 100644
--- a/Test/Unit/Plugin/AddWeightUnitToOrderPluginTest.php
+++ b/Test/Unit/Plugin/AddWeightUnitToOrderPluginTest.php
@@ -39,7 +39,7 @@ class AddWeightUnitToOrderPluginTest extends TestCase
         );
     }
 
-    public function testBeforeSaveWithLbsWeightUnit()
+    public function testBeforeSaveWithLbsWeightUnit(): void
     {
         // Mock the OrderInterface
         $orderMock = $this->createMock(OrderInterface::class);
@@ -68,7 +68,7 @@ class AddWeightUnitToOrderPluginTest extends TestCase
         $this->assertSame([$orderMock], $result);
     }
 
-    public function testBeforeSaveWithNonLbsWeightUnit()
+    public function testBeforeSaveWithNonLbsWeightUnit(): void
     {
         // Mock the OrderInterface
         $orderMock = $this->createMock(OrderInterface::class);
diff --git a/Test/Unit/Plugin/Block/DataProviders/Tracking/ChangeTitleTest.php b/Test/Unit/Plugin/Block/DataProviders/Tracking/ChangeTitleTest.php
index 6ee232d891058d788bf5edad9df46fa79062c338..4d8bd9d0a66447160396590cc4b878cb8acfad25 100644
--- a/Test/Unit/Plugin/Block/DataProviders/Tracking/ChangeTitleTest.php
+++ b/Test/Unit/Plugin/Block/DataProviders/Tracking/ChangeTitleTest.php
@@ -21,7 +21,7 @@ class ChangeTitleTest extends TestCase
         $this->plugin = new ChangeTitle();
     }
 
-    public function testAfterGetTitleWithBobGoCarrier()
+    public function testAfterGetTitleWithBobGoCarrier(): void
     {
         // Create a custom Status object with BobGo carrier
         $status = $this->getMockBuilder(Status::class)
@@ -40,7 +40,7 @@ class ChangeTitleTest extends TestCase
         $this->assertEquals('Expected delivery:', $result);
     }
 
-    public function testAfterGetTitleWithOtherCarrier()
+    public function testAfterGetTitleWithOtherCarrier(): void
     {
         // Create a custom Status object with a different carrier
         $status = $this->getMockBuilder(Status::class)
diff --git a/Test/Unit/Plugin/Block/Tracking/PopUpDeliveryDateTest.php b/Test/Unit/Plugin/Block/Tracking/PopUpDeliveryDateTest.php
index 4b04a208c83ea6370591449eb1e267dd309e1ff9..6c01770254cd04592f5fbafa8bfccacd4d6bfd27 100644
--- a/Test/Unit/Plugin/Block/Tracking/PopUpDeliveryDateTest.php
+++ b/Test/Unit/Plugin/Block/Tracking/PopUpDeliveryDateTest.php
@@ -20,48 +20,60 @@ class PopupDeliveryDateTest extends TestCase
         $this->plugin = new PopupDeliveryDate();
     }
 
-    public function testAfterFormatDeliveryDateTimeWithBobGoCarrier()
+    public function testAfterFormatDeliveryDateTimeWithBobGoCarrier(): void
     {
-        // Mock the Status class with BobGo carrier code
-        $statusMock = $this->createMock(Status::class);
-        $statusMock->method('getCarrier')->willReturn('bobgo_carrier_code');
+        // Create an instance of the Status class
+        $status = new Status();
+        $status->setCarrier('bobgo_carrier_code');
 
         // Mock the Popup class
         $popupMock = $this->createMock(Popup::class);
         $popupMock->method('getTrackingInfo')->willReturn([
-            ['tracking_info' => $statusMock],
+            ['tracking_info' => $status],
         ]);
 
         // Mock the formatDeliveryDate method
-        $popupMock->method('formatDeliveryDate')->with('2024-08-19')->willReturn('Aug 19, 2024');
+        $popupMock->method('formatDeliveryDate')
+            ->with('2024-08-19')
+            ->willReturn('Aug 19, 2024');
 
         // Call the plugin method afterFormatDeliveryDateTime
-        $result = $this->plugin->afterFormatDeliveryDateTime($popupMock, 'Aug 19, 2024 10:00 AM', '2024-08-19', '10:00 AM');
+        $result = $this->plugin->afterFormatDeliveryDateTime(
+            $popupMock,
+            'Aug 19, 2024 10:00 AM',
+            '2024-08-19',
+            '10:00 AM'
+        );
 
         // Assert that the time was stripped for BobGo carrier
         $this->assertEquals('Aug 19, 2024', $result);
     }
 
-    public function testAfterFormatDeliveryDateTimeWithOtherCarrier()
+    public function testAfterFormatDeliveryDateTimeWithOtherCarrier(): void
     {
-        // Mock the Status class with a different carrier code
-        $statusMock = $this->createMock(Status::class);
-        $statusMock->method('getCarrier')->willReturn('other_carrier_code');
+        // Create an instance of the Status class
+        $status = new Status();
+        $status->setCarrier('other_carrier_code');
 
         // Mock the Popup class
         $popupMock = $this->createMock(Popup::class);
         $popupMock->method('getTrackingInfo')->willReturn([
-            ['tracking_info' => $statusMock],
+            ['tracking_info' => $status],
         ]);
 
         // Call the plugin method afterFormatDeliveryDateTime
-        $result = $this->plugin->afterFormatDeliveryDateTime($popupMock, 'Aug 19, 2024 10:00 AM', '2024-08-19', '10:00 AM');
+        $result = $this->plugin->afterFormatDeliveryDateTime(
+            $popupMock,
+            'Aug 19, 2024 10:00 AM',
+            '2024-08-19',
+            '10:00 AM'
+        );
 
         // Assert that the time remains unchanged for other carriers
         $this->assertEquals('Aug 19, 2024 10:00 AM', $result);
     }
 
-    public function testGetCarrierWithNoTrackingInfo()
+    public function testGetCarrierWithNoTrackingInfo(): void
     {
         // Mock the Popup class with no tracking info
         $popupMock = $this->createMock(Popup::class);
diff --git a/Test/Unit/Plugin/Checkout/Block/LayoutProcessorPluginTest.php b/Test/Unit/Plugin/Checkout/Block/LayoutProcessorPluginTest.php
deleted file mode 100644
index 9799548a1fbe953358dc84a90fc448518b41c68c..0000000000000000000000000000000000000000
--- a/Test/Unit/Plugin/Checkout/Block/LayoutProcessorPluginTest.php
+++ /dev/null
@@ -1,85 +0,0 @@
-<?php
-
-namespace BobGroup\BobGo\Test\Unit\Plugin\Checkout\Block;
-
-use BobGroup\BobGo\Plugin\Checkout\Block\LayoutProcessorPlugin;
-use Magento\Checkout\Block\Checkout\LayoutProcessor;
-use PHPUnit\Framework\TestCase;
-
-class LayoutProcessorPluginTest extends TestCase
-{
-    /**
-     * @var LayoutProcessorPlugin
-     */
-    private $plugin;
-
-    /**
-     * @var \PHPUnit\Framework\MockObject\MockObject
-     */
-    private $layoutProcessorMock;
-
-    protected function setUp(): void
-    {
-        // Instantiate the LayoutProcessorPlugin
-        $this->plugin = new LayoutProcessorPlugin();
-
-        // Mock the LayoutProcessor class
-        $this->layoutProcessorMock = $this->createMock(LayoutProcessor::class);
-    }
-
-    public function testAfterProcessWithValidJsLayout()
-    {
-        // Mock the jsLayout array with the necessary structure
-        $jsLayout = [
-            'components' => [
-                'checkout' => [
-                    'children' => [
-                        'steps' => [
-                            'children' => [
-                                'shipping-step' => [
-                                    'children' => [
-                                        'shippingAddress' => [
-                                            'children' => [
-                                                'shipping-address-fieldset' => [
-                                                    'children' => []
-                                                ]
-                                            ]
-                                        ]
-                                    ]
-                                ]
-                            ]
-                        ]
-                    ]
-                ]
-            ]
-        ];
-
-        // Call the plugin's afterProcess method
-        $result = $this->plugin->afterProcess($this->layoutProcessorMock, $jsLayout);
-
-        // Assert that the suburb field has been added to the jsLayout
-        $this->assertArrayHasKey('suburb', $result['components']['checkout']['children']['steps']['children']
-        ['shipping-step']['children']['shippingAddress']['children']['shipping-address-fieldset']['children']);
-
-        $suburbField = $result['components']['checkout']['children']['steps']['children']['shipping-step']['children']
-        ['shippingAddress']['children']['shipping-address-fieldset']['children']['suburb'];
-
-        $this->assertEquals('Suburb', $suburbField['label']);
-        $this->assertEquals(true, $suburbField['visible']);
-        $this->assertEquals('shippingAddress.custom_attributes.suburb', $suburbField['dataScope']);
-    }
-
-    public function testAfterProcessWithInvalidJsLayout()
-    {
-        // Mock the jsLayout array with an incomplete structure
-        $jsLayout = [
-            'components' => []
-        ];
-
-        // Call the plugin's afterProcess method
-        $result = $this->plugin->afterProcess($this->layoutProcessorMock, $jsLayout);
-
-        // Assert that the jsLayout remains unchanged
-        $this->assertEquals($jsLayout, $result);
-    }
-}