AC-2797:GraphQL Customer Newsletter Subscriptions are inconsistent in multi website setups - Fixed unit test failures

Author: faizan-shk

app/code/Magento/CustomerGraphQl/Test/Unit/Model/Resolver/IsSubscribedTest.php

@@ -98,17 +98,17 @@ protected function setUp(): void
 
         $this->contextExtensionMock = $this->getMockBuilder(ContextExtensionInterface::class)
             ->disableOriginalConstructor()
-            ->onlyMethods(['getStore'])
+            ->setMethods(['getStore'])
             ->getMockForAbstractClass();
 
         $this->customerMock = $this->getMockBuilder(CustomerInterface::class)
             ->disableOriginalConstructor()
-            ->onlyMethods(['getId'])
+            ->setMethods(['getId'])
             ->getMockForAbstractClass();
 
         $this->storeMock = $this->getMockBuilder(StoreInterface::class)
             ->disableOriginalConstructor()
-            ->onlyMethods(['getWebsiteId'])
+            ->setMethods(['getWebsiteId'])
             ->getMockForAbstractClass();
 
         $this->fieldMock = $this->getMockBuilder(Field::class)