minor #21886 [Form] Add validate method to mockec validator in form T…

…ypeTestCase (pierredup)

This PR was merged into the 2.7 branch.

Discussion
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[Form] Add validate method to mockec validator in form TypeTestCase

| Q             | A
| ------------- | ---
| Branch?       | 2.7
| Bug fix?      | yes
| New feature?  | no
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | yes
| Fixed tickets | N/A
| License       | MIT
| Doc PR        | N/A

When using the `Symfony\Component\Form\Tests\Extension\Validator\Type\TypeTestCase` class to unit test forms, the `validate` method is not mocked, which causes errors when the unit tests run.

Commits
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4013e7b Add validate method to mockec validator in form TypeTestCase

src/Symfony/Component/Form/Tests/Extension/Validator/Type/TypeTestCase.php

@@ -23,6 +23,7 @@ protected function setUp()
         $this->validator = $this->getMockBuilder('Symfony\Component\Validator\Validator\ValidatorInterface')->getMock();
         $metadata = $this->getMockBuilder('Symfony\Component\Validator\Mapping\ClassMetadata')->disableOriginalConstructor()->getMock();
         $this->validator->expects($this->once())->method('getMetadataFor')->will($this->returnValue($metadata));
+        $this->validator->expects($this->any())->method('validate')->will($this->returnValue(array()));
 
         parent::setUp();
     }