Use EUI test environment build with Jest

package.json

@@ -283,7 +283,6 @@
   },
   "devDependencies": {
     "@babel/parser": "^7.5.5",
-    "@babel/plugin-syntax-dynamic-import": "^7.2.0",
     "@babel/types": "^7.5.5",
     "@elastic/elasticsearch": "^7.4.0",
     "@elastic/eslint-config-kibana": "0.15.0",
@@ -390,7 +389,6 @@
     "axe-core": "^3.4.1",
     "babel-eslint": "^10.0.3",
     "babel-jest": "^24.9.0",
-    "babel-plugin-dynamic-import-node": "^2.3.0",
     "babel-plugin-istanbul": "^5.2.0",
     "backport": "4.9.0",
     "chai": "3.5.0",

src/dev/jest/babel_transform.js

@@ -32,9 +32,4 @@ module.exports = babelJest.createTransformer({
       },
     ],
   ],
-  plugins: [
-    // enables jest to parse and execute dynamic import() calls
-    '@babel/plugin-syntax-dynamic-import',
-    'dynamic-import-node',
-  ],
 });

src/dev/jest/config.js

@@ -53,6 +53,8 @@ export default {
     '!src/legacy/ui/public/{agg_types,vis}/**/*.d.ts',
   ],
   moduleNameMapper: {
+    '@elastic/eui$': '<rootDir>/node_modules/@elastic/eui/test-env',
+    '@elastic/eui/lib/(.*)?': '<rootDir>/node_modules/@elastic/eui/test-env/$1',
     '^src/plugins/(.*)': '<rootDir>/src/plugins/$1',
     '^plugins/([^/.]*)(.*)': '<rootDir>/src/legacy/core_plugins/$1/public$2',
     '^ui/(.*)': '<rootDir>/src/legacy/ui/public/$1',
@@ -88,9 +90,9 @@ export default {
     '^.+\\.html?$': 'jest-raw-loader',
   },
   transformIgnorePatterns: [
-    // ignore all node_modules except @elastic/eui and monaco-editor which both require babel transforms to handle dynamic import()
+    // ignore all node_modules except monaco-editor which requires babel transforms to handle dynamic import()
     // since ESM modules are not natively supported in Jest yet (https://github.com/facebook/jest/issues/4842)
-    '[/\\\\]node_modules(?![\\/\\\\]@elastic[\\/\\\\]eui)(?![\\/\\\\]monaco-editor)[/\\\\].+\\.js$',
+    '[/\\\\]node_modules(?![\\/\\\\]monaco-editor)[/\\\\].+\\.js$',
     'packages/kbn-pm/dist/index.js',
   ],
   snapshotSerializers: [