var TEST_REGEXP = /test\..*\.js/; var allTestFiles = []; var extraFiles = ['/base/tests/assertions.js']; Object.keys(window.__karma__.files).forEach(function (file) { if (TEST_REGEXP.test(file)) { // TODO: normalize? allTestFiles.push(file); } }); require.config({ baseUrl: '/base', deps: allTestFiles.concat(extraFiles), callback: window.__karma__.start, });