public function testRemoveValidation()
 {
     //can we remove all fields at once?
     $requiredFields = new RequiredFields('Title', 'Content', 'Image', 'AnotherField');
     $requiredFields->removeValidation();
     //check there are no required fields
     $this->assertEmpty($requiredFields->getRequired(), "Failed to remove all the required fields using 'removeValidation()'");
 }