Revert "Serve DevTools when running flutter test (#123607)" (#123810)

This reverts commit c3de9015.

packages/flutter_tools/lib/src/test/flutter_tester_device.dart

@@ -21,7 +21,6 @@ import '../convert.dart';
 import '../device.dart';
 import '../globals.dart' as globals;
 import '../project.dart';
-import '../resident_runner.dart';
 import '../vmservice.dart';
 
 import 'font_config_manager.dart';
@@ -73,7 +72,6 @@ class FlutterTesterTestDevice extends TestDevice {
 
   Process? _process;
   HttpServer? _server;
-  DevtoolsLauncher? _devToolsLauncher;
 
   /// Starts the device.
   ///
@@ -165,11 +163,9 @@ class FlutterTesterTestDevice extends TestDevice {
             debuggingOptions.hostVmServicePort == detectedUri.port);
 
         Uri? forwardingUri;
-        DartDevelopmentService? dds;
-
         if (debuggingOptions.enableDds) {
           logger.printTrace('test $id: Starting Dart Development Service');
-          dds = await startDds(
+          final DartDevelopmentService dds = await startDds(
             detectedUri,
             uriConverter: uriConverter,
           );
@@ -197,10 +193,10 @@ class FlutterTesterTestDevice extends TestDevice {
         }));
 
         if (debuggingOptions.startPaused && !machine!) {
-          logger.printStatus('The Dart VM service is listening on $forwardingUri');
-          await _startDevTools(forwardingUri, dds);
-          logger.printStatus('');
-          logger.printStatus('The test process has been started. Set any relevant breakpoints and then resume the test in the debugger.');
+          logger.printStatus('The test process has been started.');
+          logger.printStatus('You can now connect to it using vmService. To connect, load the following Web site in your browser:');
+          logger.printStatus('  $forwardingUri');
+          logger.printStatus('You should first set appropriate breakpoints, then resume the test in the debugger.');
         }
         _gotProcessVmServiceUri.complete(forwardingUri);
       },
@@ -219,9 +215,6 @@ class FlutterTesterTestDevice extends TestDevice {
     logger.printTrace('test $id: Terminating flutter_tester process');
     _process?.kill(io.ProcessSignal.sigkill);
 
-    logger.printTrace('test $id: Shutting down DevTools server');
-    await _devToolsLauncher?.close();
-
     logger.printTrace('test $id: Shutting down test harness socket server');
     await _server?.close(force: true);
     await finished;
@@ -268,29 +261,6 @@ class FlutterTesterTestDevice extends TestDevice {
     );
   }
 
-  Future<void> _startDevTools(Uri forwardingUri, DartDevelopmentService? dds) async {
-    _devToolsLauncher = DevtoolsLauncher.instance;
-    logger.printTrace('test $id: Serving DevTools...');
-    final DevToolsServerAddress? devToolsServerAddress = await _devToolsLauncher?.serve();
-
-    if (devToolsServerAddress == null) {
-      logger.printTrace('test $id: Failed to start DevTools');
-      return;
-    }
-    await _devToolsLauncher?.ready;
-    logger.printTrace('test $id: DevTools is being served at ${devToolsServerAddress.uri}');
-
-    // Notify the DDS instance that there's a DevTools instance available so it can correctly
-    // redirect DevTools related requests.
-    dds?.setExternalDevToolsUri(devToolsServerAddress.uri!);
-
-    final Uri devToolsUri = devToolsServerAddress.uri!.replace(
-      // Use query instead of queryParameters to avoid unnecessary encoding.
-      query: 'uri=$forwardingUri',
-    );
-    logger.printStatus('The Flutter DevTools debugger and profiler is available at: $devToolsUri');
-  }
-
   /// Binds an [HttpServer] serving from `host` on `port`.
   ///
   /// Only intended to be overridden in tests.

packages/flutter_tools/test/integration.shard/test_test.dart

@@ -222,7 +222,7 @@ void main() {
       final Completer<Uri> completer = Completer<Uri>();
       final RegExp vmServiceUriRegExp = RegExp(r'((http)?:\/\/)[^\s]+');
       sub = process.stdout.transform(utf8.decoder).listen((String e) {
-        if (!completer.isCompleted && vmServiceUriRegExp.hasMatch(e)) {
+        if (vmServiceUriRegExp.hasMatch(e)) {
           completer.complete(Uri.parse(vmServiceUriRegExp.firstMatch(e)!.group(0)!));
         }
       });
@@ -237,31 +237,6 @@ void main() {
       process.kill();
     }
   });
-
-  testWithoutContext('flutter test should serve DevTools', () async {
-    late final Process process;
-    late final StreamSubscription<String> sub;
-    try {
-      process = await _runFlutterTestConcurrent('trivial', automatedTestsDirectory, flutterTestDirectory,
-        extraArguments: const <String>['--start-paused']);
-      final Completer<Uri> completer = Completer<Uri>();
-      final RegExp devToolsUriRegExp = RegExp(r'The Flutter DevTools debugger and profiler is available at: (http://[^\s]+)');
-      sub = process.stdout.transform(utf8.decoder).listen((String e) {
-        if (!completer.isCompleted && devToolsUriRegExp.hasMatch(e)) {
-          completer.complete(Uri.parse(devToolsUriRegExp.firstMatch(e)!.group(1)!));
-        }
-      });
-      final Uri devToolsUri = await completer.future;
-      final HttpClient client = HttpClient();
-      final HttpClientRequest request = await client.getUrl(devToolsUri);
-      final HttpClientResponse response = await request.close();
-      final String content = await response.transform(utf8.decoder).join();
-      expect(content.contains('DevTools'), true);
-    } finally {
-      await sub.cancel();
-      process.kill();
-    }
-  });
 }
 
 Future<void> _testFile(