diff --git a/packages/react-navigation/.circleci/config.yml b/packages/react-navigation/.circleci/config.yml
index 681d77d9..33c950f3 100644
--- a/packages/react-navigation/.circleci/config.yml
+++ b/packages/react-navigation/.circleci/config.yml
@@ -34,7 +34,6 @@ jobs:
           paths:
             - ~/.cache/yarn
             - ~/react-navigation/examples/NavigationPlayground/node_modules
-            - ~/react-navigation/examples/ReduxExample/node_modules
 # notify:
 #  webhooks:
 #    - url: https://react-navigation-ci.now.sh
diff --git a/packages/react-navigation/examples/NavigationPlayground/package.json b/packages/react-navigation/examples/NavigationPlayground/package.json
index c40c3410..cc10f596 100644
--- a/packages/react-navigation/examples/NavigationPlayground/package.json
+++ b/packages/react-navigation/examples/NavigationPlayground/package.json
@@ -5,7 +5,7 @@
   "scripts": {
     "postinstall": "rm -rf node_modules/react-navigation/node_modules/react-native && rm -rf node_modules/react-navigation/node_modules/@types && rm -rf node_modules/react-navigation/node_modules/examples && rm -rf node_modules/react-navigation/node_modules/react-native-gesture-handler && rm -rf node_modules/react-navigation/node_modules/react",
     "start": "node node_modules/react-native/local-cli/cli.js start",
-    "test": "jest",
+    "test": "jest && tsc",
     "tsc": "tsc"
   },
   "dependencies": {
diff --git a/packages/react-navigation/flow/react-navigation.js b/packages/react-navigation/flow/react-navigation.js
index 11bce3d7..56e1778f 100644
--- a/packages/react-navigation/flow/react-navigation.js
+++ b/packages/react-navigation/flow/react-navigation.js
@@ -407,9 +407,7 @@ declare module 'react-navigation' {
     NavigationSceneRendererProps & {
       mode: HeaderMode,
       router: NavigationRouter<NavigationState, NavigationStackScreenOptions>,
-      getScreenDetails: NavigationScene => NavigationScreenDetails<
-        NavigationStackScreenOptions
-      >,
+      getScreenDetails: NavigationScene => NavigationScreenDetails<NavigationStackScreenOptions>,
       leftInterpolator: (props: NavigationSceneRendererProps) => {},
       titleInterpolator: (props: NavigationSceneRendererProps) => {},
       rightInterpolator: (props: NavigationSceneRendererProps) => {},
@@ -660,9 +658,7 @@ declare module 'react-navigation' {
     onWillBlur?: NavigationEventCallback,
     onDidBlur?: NavigationEventCallback,
   };
-  declare export var NavigationEvents: React$ComponentType<
-    _NavigationEventsProps
-  >;
+  declare export var NavigationEvents: React$ComponentType<_NavigationEventsProps>;
 
   /**
    * Navigation container
@@ -1041,9 +1037,7 @@ declare module 'react-navigation' {
      */
     transitionConfig?: () => TransitionConfig,
   } & NavigationNavigatorProps<NavigationStackScreenOptions, NavigationState>;
-  declare export var CardStackTransitioner: React$ComponentType<
-    _CardStackTransitionerProps
-  >;
+  declare export var CardStackTransitioner: React$ComponentType<_CardStackTransitionerProps>;
 
   declare type _CardStackProps = {
     screenProps?: {},
@@ -1114,9 +1108,7 @@ declare module 'react-navigation' {
     truncatedTitle?: ?string,
     width?: ?number,
   };
-  declare export var HeaderBackButton: React$ComponentType<
-    _HeaderBackButtonProps
-  >;
+  declare export var HeaderBackButton: React$ComponentType<_HeaderBackButtonProps>;
 
   declare type _DrawerViewProps = {
     drawerLockMode?: 'unlocked' | 'locked-closed' | 'locked-open',
diff --git a/packages/react-navigation/scripts/test.sh b/packages/react-navigation/scripts/test.sh
index 5c9c8a32..6f9318ac 100755
--- a/packages/react-navigation/scripts/test.sh
+++ b/packages/react-navigation/scripts/test.sh
@@ -4,6 +4,5 @@ set -eo pipefail
 
 case $CIRCLE_NODE_INDEX in 
   0) yarn test && yarn codecov ;; 
-  #1) cd examples/NavigationPlayground && yarn && yarn test ;; 
-  #2) cd examples/ReduxExample && yarn && yarn test ;; 
+  1) cd examples/NavigationPlayground && yarn && yarn test ;; 
 esac