Remove package:image dependency (#115674)

* delete screenshot_test.dart

* remove image dep

* pub get

dev/integration_tests/ui/pubspec.yaml

@@ -8,7 +8,6 @@ environment:
 # It can probably be removed, see the comment in that file.
 
 dependencies:
-  image: 3.2.2
   flutter:
     sdk: flutter
   flutter_driver:
@@ -43,7 +42,6 @@ dependencies:
   node_preamble: 2.0.1 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   package_config: 2.1.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   path: 1.8.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
-  petitparser: 5.1.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   pool: 1.5.1 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   pub_semver: 2.1.3 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   shelf: 1.4.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
@@ -66,7 +64,6 @@ dependencies:
   web_socket_channel: 2.2.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   webdriver: 3.0.1 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   webkit_inspection_protocol: 1.2.0 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
-  xml: 6.2.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
   yaml: 3.1.1 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
 
 dev_dependencies:
@@ -82,4 +79,4 @@ flutter:
   assets:
     - assets/foo.png
 
-# PUBSPEC CHECKSUM: 321a
+# PUBSPEC CHECKSUM: 691e

dev/integration_tests/ui/test_driver/screenshot_test.dart

-// Copyright 2014 The Flutter Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-// This test is used by devicelab, test "integration_ui_ios_screenshot".
-// Its use of package:image is, at the time of writing, the only use of that
-// package in this repository. If package:image is a problem, it is probably
-// fine to just remove this test since the value of the test is probably not
-// as much as the cost of the dependency.
-
-import 'package:flutter_driver/flutter_driver.dart';
-import 'package:image/image.dart';
-
-import 'package:test/test.dart' hide TypeMatcher, isInstanceOf;
-
-void main() {
-  group('FlutterDriver', () {
-    late FlutterDriver driver;
-
-    setUpAll(() async {
-      driver = await FlutterDriver.connect();
-    });
-
-    tearDownAll(() async {
-      await driver.close();
-    });
-
-    test('should take screenshot', () async {
-      final SerializableFinder toggleBtn = find.byValueKey('toggle');
-      // Cards use a magic background color that we look for in the screenshots.
-      final Matcher cardsAreVisible = contains(getColor(0xff, 0x01, 0x02));
-      await driver.waitFor(toggleBtn);
-
-      bool cardsShouldBeVisible = false;
-      Image? imageBefore = decodePng(await driver.screenshot());
-      for (int i = 0; i < 10; i += 1) {
-        await driver.tap(toggleBtn);
-        cardsShouldBeVisible = !cardsShouldBeVisible;
-        final Image? imageAfter = decodePng(await driver.screenshot());
-
-        if (cardsShouldBeVisible) {
-          expect(imageBefore?.data, isNot(cardsAreVisible));
-          expect(imageAfter?.data, cardsAreVisible);
-        } else {
-          expect(imageBefore?.data, cardsAreVisible);
-          expect(imageAfter?.data, isNot(cardsAreVisible));
-        }
-
-        imageBefore = imageAfter;
-      }
-    }, timeout: Timeout.none);
-  });
-}