[web] changing the integration tests to show errors (flutter#17364)

* changing the integration tests to show errors. The drive file is reduced to nothing now

* adding more to readme

* rebase to master and removing unused import

* changing readme

Author: Nurhan Turgut

e2etests/web/regular_integration_tests/README.md

@@ -5,12 +5,18 @@ configuration (e.g. PWA vs non-PWA packaging), please create another
 directory under e2etests/web. Otherwise tests such as text_editing, history,
 scrolling, pointer events... should all go under this package.
 
-# To run the application under test for traouble shooting purposes.
+Tests can be run on both 'release' and 'profile' modes. However 'release' mode
+will shorten the error. Use 'profile' mode for trouble-shooting purposes where
+you can also see the full stack trace.
+
+# To run the application under test for trouble shooting purposes.
 flutter run -d web-server lib/text_editing_main.dart --local-engine=host_debug_unopt
 
 # To run the Text Editing test and use the developer tools in the browser.
-flutter run --target=test_driver/text_editing_e2e.dart -d web-server --web-port=8080 --release --local-engine=host_debug_unopt
+flutter run --target=test_driver/text_editing_e2e.dart -d web-server --web-port=8080 --profile --local-engine=host_debug_unopt
+
+# To test the Text Editing test with driver you either of the following:
+flutter drive -v --target=test_driver/text_editing_e2e.dart -d web-server --profile --browser-name=chrome --local-engine=host_debug_unopt
 
-# To test the Text Editing test with driver:
 flutter drive -v --target=test_driver/text_editing_e2e.dart -d web-server --release --browser-name=chrome --local-engine=host_debug_unopt
 ```

e2etests/web/regular_integration_tests/pubspec.yaml

@@ -13,10 +13,10 @@ dev_dependencies:
     sdk: flutter
   flutter_test:
     sdk: flutter
-  e2e: 0.2.4+4
+  e2e: 0.4.0
   http: 0.12.0+2
   test: any
 
 flutter:
   assets:
-    - assets/images/
+    - assets/images/

e2etests/web/regular_integration_tests/test_driver/image_loading_e2e.dart

@@ -3,7 +3,6 @@
 // found in the LICENSE file.
 
 import 'dart:html' as html;
-import 'package:flutter/widgets.dart';
 import 'package:flutter_test/flutter_test.dart';
 import 'package:regular_integration_tests/image_loading_main.dart' as app;
 

e2etests/web/regular_integration_tests/test_driver/image_loading_e2e_test.dart

@@ -2,16 +2,6 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-import 'dart:io';
+import 'package:e2e/e2e_driver.dart' as e2e;
 
-import 'package:flutter_driver/flutter_driver.dart';
-
-Future<void> main() async {
-  final FlutterDriver driver = await FlutterDriver.connect();
-
-  final String dataRequest =
-      await driver.requestData(null, timeout: const Duration(seconds: 1));
-  await driver.close();
-
-  exit(dataRequest == 'pass' ? 0 : 1);
-}
+Future<void> main() async => e2e.main();

e2etests/web/regular_integration_tests/test_driver/text_editing_e2e_test.dart

@@ -2,18 +2,6 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-import 'dart:io';
+import 'package:e2e/e2e_driver.dart' as e2e;
 
-import 'package:flutter_driver/flutter_driver.dart';
-
-Future<void> main() async {
-  final FlutterDriver driver = await FlutterDriver.connect();
-
-  // TODO(nurhan): https://github.com/flutter/flutter/issues/51940
-  final String dataRequest =
-      await driver.requestData(null, timeout: const Duration(seconds: 1));
-  print('result $dataRequest');
-  await driver.close();
-
-  exit(dataRequest == 'pass' ? 0 : 1);
-}
+Future<void> main() async => e2e.main();