[ci] Disable analyze on stable for web plugins that contains null safety integration tests. (#3681)

Author: Chris Yang

.cirrus.yml

@@ -37,13 +37,22 @@ task:
       test_script:
         - flutter channel $CHANNEL
         - ./script/incremental_build.sh test
-    - name: analyze
+    - name: analyze_master
       env:
         matrix:
           CHANNEL: "master"
+      script:
+        - flutter channel $CHANNEL
+        - ./script/incremental_build.sh analyze
+    ## TODO(cyanglaz):
+    ## Combing stable and master analyze jobs when integration test null safety is ready on flutter stable.
+    - name: analyze_stable
+      env:
+        matrix:
           CHANNEL: "stable"
       script:
         - flutter channel $CHANNEL
+        - find . -depth -type d -wholename '*_web/example' -exec rm -rf {} \;
         - ./script/incremental_build.sh analyze
     ### Android tasks ###
     - name: build_all_plugins_apk
@@ -67,7 +76,6 @@ task:
       env:
         matrix:
           CHANNEL: "master"
-          CHANNEL: "stable"
       build_script:
         - flutter channel $CHANNEL
         - ./script/incremental_build.sh build-examples --web

packages/connectivity/connectivity_macos/example/test_driver/test/integration_test.dart

@@ -2,6 +2,7 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
+// @dart = 2.9
 import 'dart:convert';
 import 'dart:io';
 import 'package:flutter_driver/flutter_driver.dart';

packages/google_sign_in/extension_google_sign_in_as_googleapis_auth/example/pubspec.yaml

@@ -16,10 +16,6 @@ dependencies:
 
 dev_dependencies:
   pedantic: ^1.10.0
-  integration_test:
-    path: ../../../integration_test
-  flutter_driver:
-    sdk: flutter
 
 flutter:
   uses-material-design: true

packages/image_picker/image_picker/example/test_driver/test/integration_test.dart

@@ -2,6 +2,7 @@
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
+// @dart = 2.9
 import 'dart:async';
 import 'dart:convert';
 import 'dart:io';