Add unit test

App.js

@@ -26,6 +26,7 @@ export default class drip extends Component {
   }
 
   render() {
+    console.log('beweis fuer tina')
     return (
       <View style={styles.container}>
         <TextInput

package.json

@@ -1,12 +1,17 @@
 {
   "name": "drip",
   "version": "0.0.1",
-  "private": true,
+  "contributors": [
+    "Julia Friesel <julia.friesel@gmail.com>",
+    "Marie Kochsiek",
+    "Tina Baumann"
+  ],
   "scripts": {
     "start": "node node_modules/react-native/local-cli/cli.js start",
-    "test": "jest",
     "run-android": "./node_modules/.bin/react-native run-android",
-    "log": "./node_modules/.bin/react-native log-android"
+    "log": "./node_modules/.bin/react-native log-android",
+    "test": "mocha --recursive test && npm run lint",
+    "lint": "eslint app test"
   },
   "dependencies": {
     "react": "16.3.1",
@@ -14,9 +19,9 @@
     "react-native-local-mongodb": "^2.1.0"
   },
   "devDependencies": {
-    "babel-jest": "23.0.1",
     "babel-preset-react-native": "4.0.0",
-    "jest": "23.0.1",
+    "chai": "^4.1.2",
+    "mocha": "^5.2.0",
     "react-test-renderer": "16.3.1"
   },
   "jest": {