GraphQL-502: [Test Coverage] We do not have a rollback for Magento/Customer/_files/three_customers.php fixture

Author: naydav

dev/tests/integration/testsuite/Magento/Customer/_files/three_customers_rollback.php

@@ -32,7 +32,10 @@
         $customer = $customerRepository->get($customerEmail);
         $customerRepository->delete($customer);
     } catch (\Magento\Framework\Exception\NoSuchEntityException $exception) {
-        // not found
+        /**
+         * Tests which are wrapped with MySQL transaction clear all data by transaction rollback.
+         */
+        continue;
     }
 
     /* Unlock account if it was locked for tokens retrieval */