graphQl-912: fixing api functional test

Author: Vitaliy Boyko

dev/tests/api-functional/testsuite/Magento/GraphQl/Customer/CreateCustomerTest.php

@@ -114,7 +114,7 @@ public function testCreateCustomerAccountWithoutPassword()
 
     /**
      * @expectedException \Exception
-     * @expectedExceptionMessage "input" value should be specified
+     * @expectedExceptionMessage Field CustomerInput.email of required type String! was not provided
      */
     public function testCreateCustomerIfInputDataIsEmpty()
     {
@@ -140,7 +140,7 @@ public function testCreateCustomerIfInputDataIsEmpty()
 
     /**
      * @expectedException \Exception
-     * @expectedExceptionMessage Required parameters are missing: Email
+     * @expectedExceptionMessage GraphQL response contains errors: Field CustomerInput.email of required type String! was not provided
      */
     public function testCreateCustomerIfEmailMissed()
     {
@@ -275,7 +275,7 @@ public function testCreateCustomerIfNameEmpty()
 QUERY;
         $this->graphQlMutation($query);
     }
- 
+
     /**
      * @magentoConfigFixture default_store newsletter/general/active 0
      */