chore: simplify CI setup (#4447)

* improve ci

* improve ci

* use actions/setup-node@v2 everywhere

* run pwd for test

* debug gh action

* debug glob CI issue?

* Separate v1/v2 tests due to shell conflict

* cleanup

* test v1 change

* circleci fix

* fix test docusaurus v1 paths

* Refactor CI script names and use paths to filter  actions from running unnecessary

* fix lighthouse url

* v1 tests runInBand

* try to fix v1 tests race conditions

* change rootDir for v1 tests

* minor CI improvements

jest.config.v1.js

@@ -0,0 +1,26 @@
+/**
+ * Copyright (c) Facebook, Inc. and its affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+
+const path = require('path');
+
+const ignorePatterns = ['/node_modules/', '__fixtures__'];
+
+module.exports = {
+  rootDir: path.join(path.resolve(__dirname), 'packages', 'docusaurus-1.x'),
+  verbose: true,
+  testURL: 'http://localhost/',
+  testEnvironment: 'node',
+  testPathIgnorePatterns: ignorePatterns,
+  coveragePathIgnorePatterns: ignorePatterns,
+  transform: {
+    '^.+\\.[jt]sx?$': 'babel-jest',
+  },
+  setupFiles: ['../../jest/stylelint-rule-test.js', '../../jest/polyfills.js'],
+  moduleNameMapper: {
+    '@docusaurus/router': 'react-router-dom',
+  },
+};