B2B-2530: Unskip GraphQL cache tests skipped due to DEVOPS-4924

- Added fixes on comments

Author: avattam06

dev/tests/api-functional/testsuite/Magento/GraphQl/PageCache/Cms/PageCacheTest.php

@@ -124,7 +124,7 @@ public function testCacheIsInvalidatedOnPageUpdate()
             $pageBlankQuery,
             [CacheIdCalculator::CACHE_ID_HEADER => $cacheIdPageBlankResponse]
         );
-    
+
         $this->assertCacheHitAndReturnResponse(
             $page100Query,
             [CacheIdCalculator::CACHE_ID_HEADER => $cacheIdPage100Response]