Babylon.js/tests/modules/karma.conf.js

module.exports = function (config) {
    config.set({
        basePath: '../../',
        captureTimeout: 3e5,
        browserNoActivityTimeout: 3e5,
        browserDisconnectTimeout: 3e5,
        browserDisconnectTolerance: 3,
        concurrency: 1,

        urlRoot: '/karma/',

        frameworks: ['mocha', 'chai', 'sinon'],

        files: [
            './tests/modules/tests-karma.js',
            // load the latest build
            { pattern: './tests/modules/build/dependencies/**/*.js', watched: false, included: true, served: true },
            './tests/modules/build/tests-loader.js',
            { pattern: 'assets/**/*', watched: false, included: false, served: true },
            { pattern: 'Playground/scenes/**/*', watched: false, included: false, served: true },
            { pattern: 'Playground/textures/**/*', watched: false, included: false, served: true },
            { pattern: 'Playground/sounds/**/*', watched: false, included: false, served: true }
        ],
        proxies: {
            '/': '/base/'
        },

        port: 3000,
        colors: true,
        autoWatch: false,
        singleRun: true,

        // level of logging
        // possible values: config.LOG_DISABLE || config.LOG_ERROR || config.LOG_WARN || config.LOG_INFO || config.LOG_DEBUG
        logLevel: config.LOG_INFO,

        browsers: ['ChromeHeadless']
    })
}