/**
  * @dataProvider providerForInvalidInput
  *
  * @param Validatable $validator
  * @param mixed       $input
  */
 public function testShouldAsserInvalidInput(Validatable $validator, $input, $expectedExceptionMessage = null)
 {
     $this->setExpectedException('\\Respect\\Validation\\Exceptions\\ValidationException', $expectedExceptionMessage);
     $this->assertFalse($validator->assert($input));
 }