- Testing: Switch to Cypress with code coverage

- npm: Add peerDeps

cypress/support/commands.js

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+// ***********************************************
+// 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 will overwrite an existing command --
+// Cypress.Commands.overwrite("visit", (originalFn, url, options) => { ... })

cypress/support/index.js

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+// ***********************************************************
+// 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.js';
+
+// Alternatively you can use CommonJS syntax:
+// require('./commands')
+
+/**
+ * FIDDLE
+ * Adds "cy.runExample()" custom command
+ * Accets test object property (or array thereof):
+ *    Required: `test`
+ *    Optional: `html`, `name`, `description`
+ *    With `testExamples` only: `skip` and `only`
+ * @see https://github.com/cypress-io/cypress-fiddle
+ * @example import {testExamples} from '@cypress/fiddle';
+ */
+import '@cypress/fiddle';
+
+/**
+ * COVERAGE
+ * @see https://docs.cypress.io/guides/tooling/code-coverage.html#Install-the-plugin
+ */
+import '@cypress/code-coverage/support.js';
+
+/**
+ * ACCESSIBILITY
+ * @see https://www.npmjs.com/package/cypress-axe
+ */
+import 'cypress-axe';

cypress/support/ui-test-helper.js

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+export const approveStorage = () => {
+  return cy.get('#dialog_buttons > input[type=button][data-ok]')
+    .click();
+};
+
+export const openMainMenu = () => {
+  return cy.get('#main_icon').click();
+};
+
+export const openEditorPreferences = () => {
+  openMainMenu();
+  return cy.get('#tool_prefs_option').click();
+};