test-main.js

let allTestFiles = [];
let TEST_REGEXP = /(spec|test)\.js$/i;

// Get a list of all the test files to include
Object.keys(window.__karma__.files).forEach(function (file) {
    if (TEST_REGEXP.test(file)) {
        // Normalize paths to RequireJS module names.
        // If you require sub-dependencies of test files to be loaded as-is (requiring file extension)
        // then do not normalize the paths
        let normalizedTestModule = file.replace(/^\/base\/|\.js$/g, '');
        allTestFiles.push(normalizedTestModule);
    }
});

// eslint-disable-next-line no-undef
require.config({
    // Karma serves files under /base, which is the basePath from your config file
    baseUrl: '/base',

    packages: [
        {
            name: '@syncfusion/ej2-base',
            location: 'node_modules/@syncfusion/ej2-base/dist',
            main: 'ej2-base.umd.min.js'
        }, {
            name: '@syncfusion/ej2-buttons',
            location: 'node_modules/@syncfusion/ej2-buttons/dist',
            main: 'ej2-buttons.umd.min.js'
        }, {
            name: '@syncfusion/ej2-data',
            location: 'node_modules/@syncfusion/ej2-data/dist',
            main: 'ej2-data.umd.min.js'
        }, {
            name: '@syncfusion/ej2-dropdowns',
            location: 'node_modules/@syncfusion/ej2-dropdowns/dist',
            main: 'ej2-dropdowns.umd.min.js'
        }, {
            name: '@syncfusion/ej2-inputs',
            location: 'node_modules/@syncfusion/ej2-inputs/dist',
            main: 'ej2-inputs.umd.min.js'
        }, {
            name: '@syncfusion/ej2-lists',
            location: 'node_modules/@syncfusion/ej2-lists/dist',
            main: 'ej2-lists.umd.min.js'
        }, {
            name: '@syncfusion/ej2-popups',
            location: 'node_modules/@syncfusion/ej2-popups/dist',
            main: 'ej2-popups.umd.min.js'
        }, {
            name: '@syncfusion/ej2-navigations',
            location: 'node_modules/@syncfusion/ej2-navigations/dist',
            main: 'ej2-navigations.umd.min.js'
        }, {
            name: '@syncfusion/ej2-splitbuttons',
            location: 'node_modules/@syncfusion/ej2-splitbuttons/dist',
            main: 'ej2-splitbuttons.umd.min.js'
        }, {
            name: '@syncfusion/ej2-notifications',
            location: 'node_modules/@syncfusion/ej2-notifications/dist',
            main: 'ej2-notifications.umd.min.js'
        }
    ],

    // dynamically load all test files
    deps: allTestFiles,

    // we have to kickoff jasmine, as it is asynchronous
    callback: window.__karma__.start,

    // number of seconds to wait before giving up on loading a script
    waitSeconds: 30
});