import { NgHcaptchaInvisibleButtonDirective } from './ng-hcaptcha-invisible-button.directive' ; describe ( 'ncaptchaInvisibleButtonDirective' , ( ) => { it ( 'should create an instance' , ( ) => { const directive = new NgHcaptchaInvisibleButtonDirective ( ) ; expect ( directive ) . toBeTruthy ( ) ; } ) ; } ) ;