frontend\tests\FunctionalTester::dontSeeValidationError PHP Method

    public function dontSeeValidationError($message)
    {
        $this->dontSee($message, '.help-block');
    }

 public function checkContactSubmitNotCorrectEmail(FunctionalTester $I)
 {
     $I->submitForm('#contact-form', ['ContactForm[name]' => 'tester', 'ContactForm[email]' => 'tester.email', 'ContactForm[subject]' => 'test subject', 'ContactForm[body]' => 'test content', 'ContactForm[verifyCode]' => 'testme']);
     $I->seeValidationError('Email is not a valid email address.');
     $I->dontSeeValidationError('Name cannot be blank');
     $I->dontSeeValidationError('Subject cannot be blank');
     $I->dontSeeValidationError('Body cannot be blank');
     $I->dontSeeValidationError('The verification code is incorrect');
 }