/**
  * @dataProvider providerForStringify
  */
 public function testStringifyShouldConvertStringsProperly($input, $result)
 {
     $this->assertEquals(
         $result,
         ValidationException::stringify($input)
     );
 }
 /**
  * @dataProvider providerForStringify
  */
 public function test_stringify_should_convert_strings_properly($input, $result)
 {
     $this->assertEquals($result, ValidationException::stringify($input));
 }