Revert "Fix test cases failing with latest Dart SDK (dart-lang#2312)"

This reverts commit 2ef79f1.

Author: elliette

dwds/test/inspector_test.dart

@@ -11,7 +11,6 @@ import 'package:dwds/src/utilities/conversions.dart';
 import 'package:dwds/src/utilities/globals.dart';
 import 'package:test/test.dart';
 import 'package:test_common/test_sdk_configuration.dart';
-import 'package:test_common/utilities.dart';
 import 'package:vm_service/vm_service.dart';
 import 'package:webkit_inspection_protocol/webkit_inspection_protocol.dart';
 
@@ -161,10 +160,6 @@ void main() {
     final names =
         properties.map((p) => p.name).where((x) => x != '__proto__').toList();
     final expected = [
-      if (dartSdkIsAtLeast(
-        newDdcTypeSystemVersion,
-      ))
-        '\$ti',
       '_privateField',
       'abstractField',
       'closure',

dwds/test/instances/common/instance_common.dart

@@ -7,7 +7,6 @@ import 'package:dwds/src/utilities/globals.dart';
 import 'package:test/test.dart';
 import 'package:test_common/logging.dart';
 import 'package:test_common/test_sdk_configuration.dart';
-import 'package:test_common/utilities.dart';
 import 'package:vm_service/vm_service.dart';
 import 'package:webkit_inspection_protocol/webkit_inspection_protocol.dart';
 
@@ -74,12 +73,7 @@ void runTypeSystemVerificationTests({
         );
         expect(
           remoteObject.json['className'],
-          canaryFeatures ||
-                  dartSdkIsAtLeast(
-                    newDdcTypeSystemVersion,
-                  )
-              ? 'dart_rti.Rti.new'
-              : 'Function',
+          canaryFeatures ? 'dart_rti.Rti.new' : 'Function',
         );
       });
     });

dwds/test/variable_scope_test.dart

@@ -9,7 +9,6 @@ import 'package:dwds/src/services/chrome_proxy_service.dart';
 import 'package:test/test.dart';
 import 'package:test_common/logging.dart';
 import 'package:test_common/test_sdk_configuration.dart';
-import 'package:test_common/utilities.dart';
 import 'package:vm_service/vm_service.dart';
 
 import 'fixtures/context.dart';
@@ -204,18 +203,7 @@ void main() {
       final variableNames = variables.keys.toList()..sort();
       expect(
         variableNames,
-        [
-          // TODO(https://github.com/dart-lang/webdev/issues/2316): Make sure T
-          // doesn't show up here.
-          if (dartSdkIsAtLeast(
-            newDdcTypeSystemVersion,
-          ))
-            'T',
-          'closureLocalInsideMethod',
-          'local',
-          'parameter',
-          'this',
-        ],
+        ['closureLocalInsideMethod', 'local', 'parameter', 'this'],
       );
     });
 
@@ -225,15 +213,7 @@ void main() {
       await expectDartVariables(variables);
 
       final variableNames = variables.keys.toList()..sort();
-      expect(variableNames, [
-        // TODO(https://github.com/dart-lang/webdev/issues/2316): Make sure T
-        // doesn't show up here.
-        if (dartSdkIsAtLeast(
-          newDdcTypeSystemVersion,
-        ))
-          'T',
-        'this',
-      ]);
+      expect(variableNames, ['this']);
     });
 
     test('variables in extension method', () async {

frontend_server_client/test/frontend_sever_client_test.dart

@@ -111,8 +111,7 @@ String get message => p.join('hello', 'world');
 
     expect(await stdoutLines.next, p.join('goodbye', 'world'));
     expect(await process.exitCode, 0);
-    // TODO(https://github.com/dart-lang/webdev/issues/2315): Fix and re-enable.
-  }, skip: true);
+  });
 
   test('can handle compile errors and reload fixes', () async {
     var entrypoint = p.join(packageRoot, 'bin', 'main.dart');
@@ -175,8 +174,7 @@ String get message => p.join('hello', 'world');
 
     expect(await stdoutLines.next, p.join('goodbye', 'world'));
     expect(await process.exitCode, 0);
-    // TODO(https://github.com/dart-lang/webdev/issues/2315): Fix and re-enable.
-  }, skip: true);
+  });
 
   test('can compile and recompile a dartdevc app', () async {
     var entrypoint =

test_common/lib/utilities.dart

@@ -1,17 +1,13 @@
 // Copyright (c) 2023, the Dart project authors.  Please see the AUTHORS file
 // 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.
-import 'dart:io';
 
 import 'package:path/path.dart' as p;
-import 'package:pub_semver/pub_semver.dart';
 
 const webdevDirName = 'webdev';
 const dwdsDirName = 'dwds';
 const fixturesDirName = 'fixtures';
 
-const newDdcTypeSystemVersion = '3.3.0-242.0.dev';
-
 /// The path to the webdev directory in the local machine, e.g.
 /// '/workstation/webdev'.
 String get webdevPath {
@@ -65,9 +61,3 @@ String absolutePath({
   }
   throw Exception('Expected a path parameter.');
 }
-
-bool dartSdkIsAtLeast(String sdkVersion) {
-  final expectedVersion = Version.parse(sdkVersion);
-  final actualVersion = Version.parse(Platform.version.split(' ')[0]);
-  return actualVersion >= expectedVersion;
-}

test_common/pubspec.yaml

@@ -10,9 +10,9 @@ dependencies:
   file: ">=6.0.0 <8.0.0"
   logging: ^1.0.1
   path: ^1.8.1
-  pub_semver: ^2.1.1
   test: ^1.21.1
 
 dev_dependencies:
   lints: ^2.0.0
   pubspec_parse: ^1.2.2
+  pub_semver: ^2.1.1