Add NavigationTestUtils and release 2.9.3

packages/react-navigation/CHANGELOG.md

@@ -7,6 +7,10 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 
 ## [Unreleased]
 
+## [2.9.3] - [2018-07-26](https://github.com/react-navigation/react-navigation/releases/tag/2.9.3)
+### Added
+- Add `NavigationTestUtils` which can be imported by path to be used with jest snapshot testing.
+
 ## [2.9.2] - [2018-07-25](https://github.com/react-navigation/react-navigation/releases/tag/2.9.2)
 ### Added
 - Export `StackViewTransitionConfigs` to allow you to extend default config in custom transition configs. [#4761](https://github.com/react-navigation/react-navigation/pull/4761)
@@ -115,7 +119,8 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 ### Changed
 - Improved examples
 
-[Unreleased]: https://github.com/react-navigation/react-navigation/compare/2.9.2...HEAD
+[Unreleased]: https://github.com/react-navigation/react-navigation/compare/2.9.3...HEAD
+[2.9.3]: https://github.com/react-navigation/react-navigation/compare/2.9.2...2.9.3
 [2.9.2]: https://github.com/react-navigation/react-navigation/compare/2.9.1...2.9.2
 [2.9.1]: https://github.com/react-navigation/react-navigation/compare/2.9.0...2.9.1
 [2.9.0]: https://github.com/react-navigation/react-navigation/compare/2.8.0...2.9.0

packages/react-navigation/NavigationTestUtils.js

@@ -0,0 +1,7 @@
+import { _TESTING_ONLY_reset_container_count } from './src/createNavigationContainer';
+
+export default {
+  resetInternalState: () => {
+    _TESTING_ONLY_reset_container_count();
+  },
+};

packages/react-navigation/package.json

@@ -1,6 +1,6 @@
 {
   "name": "react-navigation",
-  "version": "2.9.2",
+  "version": "2.9.3",
   "description": "Routing and navigation for your React Native apps",
   "main": "src/react-navigation.js",
   "repository": {
@@ -22,7 +22,8 @@
     "precommit": "lint-staged"
   },
   "files": [
-    "src"
+    "src",
+    "NavigationTestUtils.js"
   ],
   "peerDependencies": {
     "react": "*",