PHPUnit: Added additional void return type

To tearDown, setUpBeforeClass and tearDownAfterClass functions

tests/AuthorizeServiceTest.php

@@ -88,7 +88,7 @@ public function setUp(): void
         ]);
     }
 
-    public function tearDown()
+    public function tearDown(): void
     {
         parent::tearDown();
 

tests/CaptureServiceTest.php

@@ -118,7 +118,7 @@ public function setUp(): void
         CaptureService::add_extension(PaymentTestServiceExtensionHooks::class);
     }
 
-    public function tearDown()
+    public function tearDown(): void
     {
         parent::tearDown();
         CaptureService::remove_extension(PaymentTestServiceExtensionHooks::class);

tests/CreateCardServiceTest.php

@@ -80,7 +80,7 @@ public function setUp(): void
         CreateCardService::add_extension(PaymentTestServiceExtensionHooks::class);
     }
 
-    public function tearDown()
+    public function tearDown(): void
     {
         parent::tearDown();
         CreateCardService::remove_extension(PaymentTestServiceExtensionHooks::class);

tests/GatewayInfoTest.php

@@ -19,7 +19,7 @@ class GatewayInfoTest extends SapphireTest
 {
     use i18nTestManifest;
 
-    protected function tearDown()
+    protected function tearDown(): void
     {
         $this->tearDownManifest();
         parent::tearDown();

tests/PaymentTest.php

@@ -33,7 +33,7 @@ abstract class PaymentTest extends FunctionalTest
 
     protected static $factoryExtensions;
 
-    public static function setUpBeforeClass()
+    public static function setUpBeforeClass(): void
     {
         parent::setUpBeforeClass();
 
@@ -62,7 +62,7 @@ public static function setUpBeforeClass()
         Payment::add_extension(PaymentTestPaymentExtensionHooks::class);
     }
 
-    public static function tearDownAfterClass()
+    public static function tearDownAfterClass(): void
     {
         parent::tearDownAfterClass();
 

tests/PurchaseServiceTest.php

@@ -81,7 +81,7 @@ public function setUp(): void
         PurchaseService::add_extension(PaymentTestServiceExtensionHooks::class);
     }
 
-    public function tearDown()
+    public function tearDown(): void
     {
         parent::tearDown();
 

tests/RefundServiceTest.php

@@ -113,7 +113,7 @@ public function setUp(): void
         RefundService::add_extension(PaymentTestServiceExtensionHooks::class);
     }
 
-    public function tearDown()
+    public function tearDown(): void
     {
         parent::tearDown();
         RefundService::remove_extension(PaymentTestServiceExtensionHooks::class);

tests/VoidServiceTest.php

@@ -107,7 +107,7 @@ public function setUp(): void
         VoidService::add_extension(PaymentTestServiceExtensionHooks::class);
     }
 
-    public function tearDown()
+    public function tearDown(): void
     {
         parent::tearDown();
         VoidService::remove_extension(PaymentTestServiceExtensionHooks::class);