Enable explicit-package-dependencies (resident_web_runner_cold_test.dart) (#160258)

Example of option (2) for
flutter/flutter#160257.

Author: matanlurey

packages/flutter_tools/test/general.shard/resident_web_runner_cold_test.dart

@@ -11,8 +11,10 @@ import 'package:flutter_tools/src/base/logger.dart';
 import 'package:flutter_tools/src/base/time.dart';
 import 'package:flutter_tools/src/build_info.dart';
 import 'package:flutter_tools/src/build_system/build_system.dart';
+import 'package:flutter_tools/src/dart/pub.dart';
 import 'package:flutter_tools/src/devfs.dart';
 import 'package:flutter_tools/src/device.dart';
+import 'package:flutter_tools/src/features.dart';
 import 'package:flutter_tools/src/isolated/devfs_web.dart';
 import 'package:flutter_tools/src/isolated/resident_web_runner.dart';
 import 'package:flutter_tools/src/project.dart';
@@ -23,6 +25,7 @@ import 'package:test/fake.dart';
 
 import '../src/common.dart';
 import '../src/context.dart';
+import '../src/fake_pub_deps.dart';
 import '../src/fakes.dart';
 import '../src/test_build_system.dart';
 
@@ -31,6 +34,12 @@ void main() {
   late FakeWebDevFS mockWebDevFS;
   late MemoryFileSystem fileSystem;
 
+  // TODO(matanlurey): Remove after `explicit-package-dependencies` is enabled by default.
+  // See https://github.com/flutter/flutter/issues/160257 for details.
+  FeatureFlags enableExplicitPackageDependencies() {
+    return TestFeatureFlags(isExplicitPackageDependenciesEnabled: true);
+  }
+
   setUp(() {
     fileSystem = MemoryFileSystem.test();
     mockWebDevFS = FakeWebDevFS();
@@ -74,6 +83,8 @@ void main() {
     BuildSystem: () => TestBuildSystem.all(BuildResult(success: true)),
     FileSystem: () => fileSystem,
     ProcessManager: () => FakeProcessManager.any(),
+    FeatureFlags: enableExplicitPackageDependencies,
+    Pub: FakePubWithPrimedDeps.new,
   });
 
   // Regression test for https://github.com/flutter/flutter/issues/60613
@@ -99,6 +110,8 @@ void main() {
     BuildSystem: () => TestBuildSystem.all(BuildResult(success: false)),
     FileSystem: () => fileSystem,
     ProcessManager: () => FakeProcessManager.any(),
+    FeatureFlags: enableExplicitPackageDependencies,
+    Pub: FakePubWithPrimedDeps.new,
   });
 
   // Regression test for https://github.com/flutter/flutter/issues/60613
@@ -124,6 +137,8 @@ void main() {
     BuildSystem: () => TestBuildSystem.error(Exception('foo')),
     FileSystem: () => fileSystem,
     ProcessManager: () => FakeProcessManager.any(),
+    FeatureFlags: enableExplicitPackageDependencies,
+    Pub: FakePubWithPrimedDeps.new,
   });
 
   testUsingContext('Can full restart after attaching', () async {
@@ -153,6 +168,8 @@ void main() {
     BuildSystem: () => TestBuildSystem.all(BuildResult(success: true)),
     FileSystem: () => fileSystem,
     ProcessManager: () => FakeProcessManager.any(),
+    FeatureFlags: enableExplicitPackageDependencies,
+    Pub: FakePubWithPrimedDeps.new,
   });
 
   testUsingContext('Fails on compilation errors in hot restart', () async {
@@ -186,6 +203,8 @@ void main() {
     ]),
     FileSystem: () => fileSystem,
     ProcessManager: () => FakeProcessManager.any(),
+    FeatureFlags: enableExplicitPackageDependencies,
+    Pub: FakePubWithPrimedDeps.new,
   });
 }