Tests: removes unused stuff and replaces monaco transpile with mock (#27324)

jest.config.js

-const esModule = '@iconscout/react-unicons|monaco-editor/esm/vs';
-
 module.exports = {
   verbose: false,
   transform: {
     '^.+\\.(ts|tsx|js|jsx)$': 'ts-jest',
-    [`(${esModule}).+\\.js$`]: 'babel-jest',
   },
-  transformIgnorePatterns: [`/node_modules/(?!${esModule})`],
   moduleDirectories: ['node_modules', 'public'],
   roots: ['<rootDir>/public/app', '<rootDir>/public/test', '<rootDir>/packages', '<rootDir>/scripts'],
   testRegex: '(\\.|/)(test)\\.(jsx?|tsx?)$',
@@ -18,5 +14,7 @@ module.exports = {
   moduleNameMapper: {
     '\\.svg': '<rootDir>/public/test/mocks/svg.ts',
     '\\.css': '<rootDir>/public/test/mocks/style.ts',
+    'monaco-editor/esm/vs/editor/editor.api': '<rootDir>/public/test/mocks/monaco.ts',
   },
+  watchPathIgnorePatterns: ['<rootDir>/node_modules/'],
 };

package.json

@@ -119,7 +119,6 @@
     "@types/tinycolor2": "1.4.2",
     "@typescript-eslint/eslint-plugin": "3.6.0",
     "@typescript-eslint/parser": "3.6.0",
-    "angular-mocks": "1.6.6",
     "autoprefixer": "9.7.4",
     "axios": "0.19.2",
     "babel-core": "7.0.0-bridge.0",

public/test/index.ts

-import 'jquery';
-import angular from 'angular';
-import 'angular-mocks';
-import 'app/app';
-
-// configure enzyme
-import Enzyme from 'enzyme';
-import Adapter from 'enzyme-adapter-react-16';
-Enzyme.configure({ adapter: new Adapter() });
-
-angular.module('grafana', ['ngRoute']);
-angular.module('grafana.services', ['ngRoute', '$strap.directives']);
-angular.module('grafana.panels', []);
-angular.module('grafana.controllers', []);
-angular.module('grafana.directives', []);
-angular.module('grafana.filters', []);
-angular.module('grafana.routes', ['ngRoute']);
-
-const context = (require as any).context('../', true, /specs\.(tsx?|js)/);
-for (const key of context.keys()) {
-  context(key);
-}

public/test/mocks/monaco.ts

+export const monaco = 'monaco';

yarn.lock

@@ -7419,11 +7419,6 @@ angular-bindonce@0.3.1:
   resolved "https://registry.yarnpkg.com/angular-bindonce/-/angular-bindonce-0.3.1.tgz#af19574abd43f608b9236a302cc5ce49d71dc9c6"
   integrity sha1-rxlXSr1D9gi5I2owLMXOSdcdycY=
 
-angular-mocks@1.6.6:
-  version "1.6.6"
-  resolved "https://registry.yarnpkg.com/angular-mocks/-/angular-mocks-1.6.6.tgz#c93018e7838c6dc5ceaf1a6bcf9be13c830ea515"
-  integrity sha1-yTAY54OMbcXOrxprz5vhPIMOpRU=
-
 angular-native-dragdrop@1.2.2:
   version "1.2.2"
   resolved "https://registry.yarnpkg.com/angular-native-dragdrop/-/angular-native-dragdrop-1.2.2.tgz#d646c6b75b131c48073c3f6e36a225b2726d8bae"