add react-monaco-editor to jest transformIgnorePatterns (#1276)

* add react-monaco-editor to jest transformIgnorePatterns

Signed-off-by: Justin Kim <jungkm@amazon.com>

* add a module name mapper for opensearch-dashboards/public

Signed-off-by: Justin Kim <jungkm@amazon.com>

---------

Signed-off-by: Justin Kim <jungkm@amazon.com>

Author: angle943

test/jest.config.js

@@ -12,13 +12,14 @@ module.exports = {
   ],
   setupFilesAfterEnv: [
     '<rootDir>/test/setup.jest.js',
-    '<rootDir>../../src/dev/jest/setup/monaco_mock.js'
+    '<rootDir>../../src/dev/jest/setup/monaco_mock.js',
   ],
   modulePaths: ['node_modules', `../../node_modules`],
   coverageDirectory: './coverage',
   moduleNameMapper: {
     '\\.(css|less|scss)$': '<rootDir>/test/mocks/styleMock.js',
     '^ui/(.*)': '<rootDir>/../../src/legacy/ui/public/$1/',
+    '^opensearch-dashboards/public$': '<rootDir>/../../src/core/public',
     '^!!raw-loader!.*': 'jest-raw-loader',
   },
   snapshotSerializers: ['../../node_modules/enzyme-to-json/serializer'],
@@ -54,6 +55,6 @@ module.exports = {
   transformIgnorePatterns: [
     // ignore all node_modules except d3-color which requires babel transforms to handle export statement
     // since ESM modules are not natively supported in Jest yet (https://github.com/facebook/jest/issues/4842)
-    '[/\\\\]node_modules(?![\\/\\\\](monaco-editor|weak-lru-cache|ordered-binary|d3-color|axios))[/\\\\].+\\.js$',
+    '[/\\\\]node_modules(?![\\/\\\\](monaco-editor|react-monaco-editor|weak-lru-cache|ordered-binary|d3-color|axios))[/\\\\].+\\.js$',
   ],
 };