cypress: Reorganize files and remove unneeded ones

cypress/fixtures/example.json

-{
-  "name": "Using fixtures to represent data",
-  "email": "hello@cypress.io",
-  "body": "Fixtures are a great way to mock data for responses to routes"
-}
\ No newline at end of file

cypress/integration/directory.spec.js

@@ -5,7 +5,7 @@
  * See top-level LICENSE file for more information
  */
 
-import {httpGetJson} from './utils';
+import {httpGetJson} from '../utils';
 
 const url = 'browse/origin/https://github.com/memononen/libtess2/directory/';
 const $ = Cypress.$;

cypress/plugins/index.js

@@ -11,4 +11,7 @@
 // This function is called when a project is opened or re-opened (e.g. due to
 // the project's config changing)
 
-module.exports = (on) => {};
+module.exports = (on, config) => {
+  // `on` is used to hook into various events Cypress emits
+  // `config` is the resolved Cypress config
+}

cypress/support/commands.js

-// ***********************************************
-// This example commands.js shows you how to
-// create various custom commands and overwrite
-// existing commands.
-//
-// For more comprehensive examples of custom
-// commands please read more here:
-// https://on.cypress.io/custom-commands
-// ***********************************************
-//
-//
-// -- This is a parent command --
-// Cypress.Commands.add("login", (email, password) => { ... })
-//
-//
-// -- This is a child command --
-// Cypress.Commands.add("drag", { prevSubject: 'element'}, (subject, options) => { ... })
-//
-//
-// -- This is a dual command --
-// Cypress.Commands.add("dismiss", { prevSubject: 'optional'}, (subject, options) => { ... })
-//
-//
-// -- This is will overwrite an existing command --
-// Cypress.Commands.overwrite("visit", (originalFn, url, options) => { ... })

cypress/support/index.js

-// ***********************************************************
-// This example support/index.js is processed and
-// loaded automatically before your test files.
-//
-// This is a great place to put global configuration and
-// behavior that modifies Cypress.
-//
-// You can change the location of this file or turn off
-// automatically serving support files with the
-// 'supportFile' configuration option.
-//
-// You can read more here:
-// https://on.cypress.io/configuration
-// ***********************************************************
-
-// Import commands.js using ES2015 syntax:
-import './commands';
-
-// Alternatively you can use CommonJS syntax:
-// require('./commands')
+/**
+ * Copyright (C) 2019  The Software Heritage developers
+ * See the AUTHORS file at the top-level directory of this distribution
+ * License: GNU Affero General Public License version 3, or any later version
+ * See top-level LICENSE file for more information
+ */
 
 Cypress.Screenshot.defaults({
   screenshotOnRunFailure: false

cypress/integration/utils.js → cypress/utils/index.js

+/**
+ * Copyright (C) 2019  The Software Heritage developers
+ * See the AUTHORS file at the top-level directory of this distribution
+ * License: GNU Affero General Public License version 3, or any later version
+ * See top-level LICENSE file for more information
+ */
+
 import axios from 'axios';
 
 export async function httpGetJson(url) {