Integration Test: Make it take a few screenshots

* Default value
* App Drawer
* Note Editing

lib/app.dart

@@ -81,6 +81,7 @@ class JournalApp extends StatelessWidget {
     }
 
     return MaterialApp(
+      key: ValueKey("App"),
       title: 'GitJournal',
       theme: ThemeData(
         brightness: Brightness.light,

lib/screens/home_screen.dart

@@ -16,6 +16,7 @@ class HomeScreen extends StatelessWidget {
     final appState = container.appState;
 
     var createButton = FloatingActionButton(
+      key: ValueKey("FAB"),
       onPressed: () => _newPost(context),
       child: Icon(Icons.add),
     );
@@ -51,6 +52,7 @@ class HomeScreen extends StatelessWidget {
     bool shouldShowBadge =
         !appState.remoteGitRepoConfigured && appState.hasJournalEntries;
     var appBarMenuButton = BadgeIconButton(
+      key: ValueKey("DrawerButton"),
       icon: const Icon(Icons.menu),
       itemCount: shouldShowBadge ? 1 : 0,
       onPressed: () {

test_driver/main_test.dart

@@ -5,8 +5,6 @@ import 'package:test/test.dart';
 
 void main() {
   group('Test', () {
-    final loadedFinder = find.text('Why not add your first\n Journal Entry?');
-
     FlutterDriver driver;
     int screenshotNum = 0;
 
@@ -24,14 +22,49 @@ void main() {
 
     Future _takeScreenshot() async {
       var filePath = screenshotNum.toString() + ".png";
+      screenshotNum += 1;
+
+      print("Taking screenshot $filePath");
       final file = await File(filePath).create(recursive: true);
       final pixels = await driver.screenshot();
       await file.writeAsBytes(pixels);
     }
 
     test('Anonymous GitClone works', () async {
+      final loadedFinder = find.text('Why not add your first\n Journal Entry?');
       await driver.waitFor(loadedFinder, timeout: Duration(seconds: 5));
       await _takeScreenshot();
+
+      // Open the Drawer
+      final drawerButtonFinder = find.byValueKey("DrawerButton");
+      await driver.tap(drawerButtonFinder);
+      await Future.delayed(Duration(milliseconds: 500));
+      await _takeScreenshot();
+
+      // The Git Host setup screen
+      /*
+      await driver.tap(find.text("Setup Git Host"));
+      await driver.waitFor(find.text("GitHub"), timeout: Duration(seconds: 2));
+      await _takeScreenshot();
+      // FIXME: This doesn't seem to work!
+      await driver.tap(find.pageBack());
+      */
+
+      // Close the drawer
+      var app = find.byValueKey("App");
+      await driver.scroll(app, -300.0, 0.0, const Duration(milliseconds: 300));
+
+      // Create a new note
+      var fab = find.byValueKey("FAB");
+      await driver.waitFor(fab, timeout: Duration(seconds: 2));
+      await driver.tap(fab);
+      await driver.waitFor(find.text('Write here'),
+          timeout: Duration(seconds: 2));
+      await _takeScreenshot();
+
+      await driver.enterText(
+          "Your notes will be saved in Markdown with a YAML header for the metadata.\n\nThe writing experience is clean and distraction free");
+      await _takeScreenshot();
     });
   });
 }