add first test driver

example/test_driver/single_conversation.dart

@@ -0,0 +1,9 @@
+import 'package:flutter_driver/driver_extension.dart';
+
+import '../lib/single_conversation.dart' as app;
+
+void main() async {
+  enableFlutterDriverExtension();
+
+  await app.main();
+}

example/test_driver/single_conversation_test.dart

@@ -0,0 +1,46 @@
+import 'dart:io';
+
+import 'package:flutter_driver/flutter_driver.dart';
+import 'package:test/test.dart';
+
+void main() {
+  test('Single conversation', () async {
+    final inputFinder = find.byValueKey('messageInputText');
+    final sendButtonFinder = find.byValueKey('sendButton');
+    final messageListViewFinder = find.byValueKey('messageListView');
+
+    FlutterDriver driver = await FlutterDriver.connect();
+    // Connect to the Flutter driver before running any tests.
+
+    await sleep(Duration(seconds: 5));
+
+    await driver.waitFor(inputFinder);
+
+    await driver.tap(inputFinder);
+
+    await sleep(Duration(seconds: 1));
+
+    await driver.enterText('hey');
+
+    await sleep(Duration(seconds: 1));
+
+    await driver.tap(sendButtonFinder);
+
+    await sleep(Duration(seconds: 1));
+
+    await driver.scroll(
+      messageListViewFinder,
+      0,
+      2000,
+      Duration(seconds: 1),
+    );
+
+    await sleep(Duration(seconds: 1));
+
+    // Close the connection to the driver after the tests have completed.
+    await sleep(Duration(seconds: 5));
+    if (driver != null) {
+      await driver.close();
+    }
+  });
+}