Fix imports and export

Author: samtstern

packages/rules-unit-testing/index.ts

@@ -5,7 +5,7 @@
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
- *
+ *rule
  *   http://www.apache.org/licenses/LICENSE-2.0
  *
  * Unless required by applicable law or agreed to in writing, software
@@ -25,12 +25,14 @@ export {
   apps,
   assertFails,
   assertSucceeds,
+  discoverEmulators,
   clearFirestoreData,
   database,
   firestore,
   initializeAdminApp,
   initializeTestApp,
   loadDatabaseRules,
   loadFirestoreRules,
+  useEmulators,
   withFunctionTriggersDisabled
 } from './src/api';

packages/rules-unit-testing/src/api/index.ts

@@ -22,7 +22,6 @@ import * as request from 'request';
 import { base64 } from '@firebase/util';
 import { setLogLevel, LogLevel } from '@firebase/logger';
 import { Component, ComponentType } from '@firebase/component';
-import { option } from 'yargs';
 
 const { firestore, database } = firebase;
 export { firestore, database };