Edit File: karma.conf.js
const karmaCoreConfig = require( '../elementor/karma.conf' ); module.exports = function( config ) { karmaCoreConfig( config ); // Set base path. config.basePath = __dirname + '/../elementor/'; // Change qunit-tests to pro. Object.entries( config.files ).some( ( [ key, path ] ) => { if ( 'assets/js/qunit-tests.js' === path ) { config.files[ key ] = __dirname + '/' + path; return true; } return false; } ); };