fixed app rendering unit tests

squarenotsquare/__tests__/App-test.js

@@ -9,7 +9,6 @@ import SquareStack from '../src/navigation/SquareStack';
 import Game from '../src/screens/Game';
 import HighScore from '../src/screens/HighScore';
 import Home from '../src/screens/Home';
-import Settings from '../src/screens/Settings';
 import Splash from '../src/screens/Splash';
 jest.useFakeTimers()
 
@@ -20,7 +19,7 @@ it('renders square stack', () => {
 
 it('renders game component', () => {
   const mockStore = ConfigStore;
-  return renderer.create(
+  renderer.create(
     <Provider store={mockStore}>
       <Game/>
     </Provider>);
@@ -28,7 +27,7 @@ it('renders game component', () => {
 
 it('renders highscore component', () => {
   const mockStore = ConfigStore;
-  return renderer.create(
+  renderer.create(
     <Provider store={mockStore}>
       <HighScore/>
     </Provider>
@@ -37,7 +36,7 @@ it('renders highscore component', () => {
 
 it('renders home component', () => {
   const mockStore = ConfigStore;
-  return renderer.create(
+  renderer.create(
     <Provider store={mockStore}>
       <Home/>
     </Provider>
@@ -45,5 +44,5 @@ it('renders home component', () => {
 });
 
 it('renders splash component', () => {
-  return renderer.create(<Splash />);
+  renderer.create(<Splash />);
 });