Refactor e2e helpers

e2e/helpers.js

@@ -0,0 +1,8 @@
+module.exports.openSettingsScreen = async () => {
+  await device.reloadReactNative();
+
+  // Opens the settings screen
+  await waitFor(element(by.id('rootView'))).toBeVisible().withTimeout(2000);
+  await element(by.id('headerButton')).tap();
+  await element(by.id('settingsButton')).tap();
+};