Updated the files.

my-app/node_modules/karma-chrome-launcher/examples/simple/index.spec.js

@@ -0,0 +1,7 @@
+/* eslint-env mocha */
+
+describe('ChromeLauncher', function () {
+  it('works', function () {
+    return 1 + 1 === 2
+  })
+})

my-app/node_modules/karma-chrome-launcher/examples/simple/karma.conf.js

@@ -0,0 +1,32 @@
+module.exports = function (config) {
+  config.set({
+    basePath: '',
+
+    frameworks: ['mocha'],
+
+    files: [
+      '*.js'
+    ],
+
+    exclude: [],
+
+    reporters: ['progress'],
+
+    port: 9876,
+
+    colors: true,
+
+    logLevel: config.LOG_INFO,
+
+    autoWatch: false,
+
+    browsers: ['Chrome'],
+
+    singleRun: false,
+
+    plugins: [
+      require('../../'),
+      'karma-mocha'
+    ]
+  })
+}