Fix unit tests

Author: atoami

.babelrc

@@ -3,3 +3,4 @@
 ./**/__tests__/**/*.js
 __mocks__/**/*.js
 jest-setup.js
+babel.config.js

.eslintignore

@@ -0,0 +1,11 @@
+'use strict';
+
+module.exports = {
+  presets: ["module:metro-react-native-babel-preset"],
+  plugins: [
+    "@babel/plugin-transform-modules-commonjs",
+    ["@babel/plugin-proposal-decorators", { "legacy": true }],
+    "@babel/plugin-syntax-export-namespace-from",
+    "transform-export-extensions"
+  ],
+};

babel.config.js

@@ -9,4 +9,4 @@ describe('WelcomeScreen', () => {
     );
     expect(component).toMatchSnapshot();
   });
-});
+});