Make Karma serve .ts files with executable MIME type, otherwise newer versions of Chrome won't run it. Fixes #499

templates/Angular2Spa/ClientApp/test/karma.conf.js

@@ -18,6 +18,7 @@ module.exports = function (config) {
         logLevel: config.LOG_INFO,
         autoWatch: true,
         browsers: ['Chrome'],
+        mime: { 'application/javascript': ['ts','tsx'] },
         singleRun: false,
         webpack: require('../../webpack.config.js').filter(config => config.target !== 'node'), // Test against client bundle, because tests run in a browser
         webpackMiddleware: { stats: 'errors-only' }