ninekey unit test

squarenotsquare/__tests__/App-test.js

@@ -10,6 +10,7 @@ import Game from '../src/screens/Game';
 import HighScore from '../src/screens/HighScore';
 import Home from '../src/screens/Home';
 import Splash from '../src/screens/Splash';
+import NineKey from '../src/components/NineKey';
 jest.useFakeTimers()
 
 it('renders square stack', () => {
@@ -46,3 +47,7 @@ it('renders home component', () => {
 it('renders splash component', () => {
   renderer.create(<Splash />);
 });
+
+it('renders ninekey component', () => {
+  renderer.create(<NineKey />)
+})