Remove unused `l` and `--isolate-filter` tools (#63336)

dev/devicelab/bin/tasks/named_isolates_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.
-
-import 'dart:async';
-import 'dart:convert';
-import 'dart:io';
-
-import 'package:meta/meta.dart';
-import 'package:path/path.dart' as path;
-
-import 'package:flutter_devicelab/framework/adb.dart';
-import 'package:flutter_devicelab/framework/framework.dart';
-import 'package:flutter_devicelab/framework/utils.dart';
-
-const String _kActivityId = 'io.flutter.examples.named_isolates/com.example.view.MainActivity';
-const String _kFirstIsolateName = 'first isolate name';
-const String _kSecondIsolateName = 'second isolate name';
-
-void main() {
-  task(() async {
-    final AndroidDevice device = await devices.workingDevice as AndroidDevice;
-    await device.unlock();
-
-    section('Compile and run the tester app');
-    Completer<void> firstNameFound = Completer<void>();
-    Completer<void> secondNameFound = Completer<void>();
-    final Process runProcess = await _run(device: device, command:
-        <String>['run', '--disable-service-auth-codes', '--no-fast-start'], stdoutListener: (String line) {
-      if (line.contains(_kFirstIsolateName)) {
-        firstNameFound.complete();
-      } else if (line.contains(_kSecondIsolateName)) {
-        secondNameFound.complete();
-      }
-    });
-
-    section('Verify all the debug isolate names are set');
-    runProcess.stdin.write('l');
-    await Future.wait<dynamic>(<Future<dynamic>>[firstNameFound.future, secondNameFound.future])
-                .timeout(const Duration(seconds: 1), onTimeout: () => throw 'Isolate names not found.');
-    await _quitRunner(runProcess);
-
-    section('Attach to the second debug isolate');
-    firstNameFound = Completer<void>();
-    secondNameFound = Completer<void>();
-    final String currentTime = (await device.shellEval('date', <String>['"+%F %R:%S.000"'])).trim();
-    await device.shellExec('am', <String>['start', '-n', _kActivityId]);
-    final String observatoryLine = await device.adb(<String>['logcat', '-e', 'Observatory listening on http:', '-m', '1', '-T', currentTime]);
-    print('Found observatory line: $observatoryLine');
-    final String observatoryUri = RegExp(r'Observatory listening on ((http|//)[a-zA-Z0-9:/=_\-\.\[\]]+)').firstMatch(observatoryLine)[1];
-    print('Extracted observatory port: $observatoryUri');
-    final Process attachProcess =
-      await _run(device: device, command: <String>['attach', '--debug-uri',
-          observatoryUri, '--isolate-filter', _kSecondIsolateName], stdoutListener: (String line) {
-        if (line.contains(_kFirstIsolateName)) {
-          firstNameFound.complete();
-        } else if (line.contains(_kSecondIsolateName)) {
-          secondNameFound.complete();
-        }
-      });
-    attachProcess.stdin.write('l');
-    await secondNameFound.future;
-    if (firstNameFound.isCompleted)
-      throw '--isolate-filter failed to attach to a specific isolate';
-    await _quitRunner(attachProcess);
-
-    return TaskResult.success(null);
-  });
-}
-
-Future<Process> _run({@required Device device, @required List<String> command, @required Function(String) stdoutListener}) async {
-  final Directory appDir = dir(path.join(flutterDirectory.path, 'dev/integration_tests/named_isolates'));
-  Process runner;
-  bool observatoryConnected = false;
-  await inDirectory(appDir, () async {
-  runner = await startProcess(
-      path.join(flutterDirectory.path, 'bin', 'flutter'),
-      <String>['--suppress-analytics', '-d', device.deviceId, ...command],
-      isBot: false, // we just want to test the output, not have any debugging info
-    );
-    final StreamController<String> stdout = StreamController<String>.broadcast();
-
-    // Mirror output to stdout, listen for ready message
-    final Completer<void> appReady = Completer<void>();
-    runner.stdout
-      .transform<String>(utf8.decoder)
-      .transform<String>(const LineSplitter())
-      .listen((String line) {
-        print('run:stdout: $line');
-        stdout.add(line);
-        if (parseServicePort(line) != null) {
-          appReady.complete();
-          observatoryConnected = true;
-        }
-        stdoutListener(line);
-      });
-    runner.stderr
-      .transform<String>(utf8.decoder)
-      .transform<String>(const LineSplitter())
-      .listen((String line) {
-        stderr.writeln('run:stderr: $line');
-      });
-
-    // Wait for either the process to fail or for the run to begin.
-    await Future.any<dynamic>(<Future<dynamic>>[ appReady.future, runner.exitCode ]);
-    if (!observatoryConnected)
-      throw 'Failed to find service port when running `${command.join(' ')}`';
-  });
-  return runner;
-}
-
-Future<void> _quitRunner(Process runner) async {
-  runner.stdin.write('q');
-  final int result = await runner.exitCode;
-  if (result != 0)
-    throw 'Received unexpected exit code $result when quitting process.';
-}

dev/devicelab/manifest.yaml

@@ -420,13 +420,6 @@ tasks:
   #   required_agent_capabilities: ["linux/android"]
   #   flaky: true
 
-  named_isolates_test:
-    description: >
-      Tests naming and attaching to specific isolates.
-    stage: devicelab
-    required_agent_capabilities: ["linux/android"]
-    flaky: true # https://github.com/flutter/flutter/issues/63016
-
   linux_chrome_dev_mode:
     description: >
       Run flutter web on the devicelab and hot restart.

dev/integration_tests/named_isolates/README.md

-Integration app for testing multiple named isolates.
\ No newline at end of file

dev/integration_tests/named_isolates/android/app/build.gradle

-// 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.
-
-def localProperties = new Properties()
-def localPropertiesFile = rootProject.file('local.properties')
-if (localPropertiesFile.exists()) {
-    localPropertiesFile.withInputStream { stream ->
-        localProperties.load(stream)
-    }
-}
-
-def flutterRoot = localProperties.getProperty('flutter.sdk')
-if (flutterRoot == null) {
-    throw new GradleException("Flutter SDK not found. Define location with flutter.sdk in the local.properties file.")
-}
-
-apply plugin: 'com.android.application'
-apply from: "$flutterRoot/packages/flutter_tools/gradle/flutter.gradle"
-
-android {
-    compileSdkVersion 28
-
-    lintOptions {
-        disable 'InvalidPackage'
-    }
-
-    defaultConfig {
-        applicationId "io.flutter.examples.named_isolates"
-        minSdkVersion 16
-        targetSdkVersion 28
-        versionCode 1
-        versionName "0.0.1"
-    }
-
-    buildTypes {
-        release {
-            // TODO: Add your own signing config for the release build.
-            // Signing with the debug keys for now, so `flutter run --release` works.
-            signingConfig signingConfigs.debug
-        }
-    }
-}
-
-flutter {
-    source '../..'
-}
-
-dependencies {
-    implementation 'androidx.appcompat:appcompat:1.1.0'
-    implementation 'com.google.android.material:material:1.0.0'
-}

dev/integration_tests/named_isolates/android/app/src/main/AndroidManifest.xml

-<!-- 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. -->
-
-<manifest xmlns:android="http://schemas.android.com/apk/res/android"
-    package="com.example.view">
-
-    <!-- The INTERNET permission is required for development. Specifically, flutter needs it to communicate with the running application
-         to allow setting breakpoints, to provide hot reload, etc.
-    -->
-    <uses-permission android:name="android.permission.INTERNET"/>
-
-    <!-- io.flutter.app.FlutterApplication is an android.app.Application that
-         calls FlutterMain.startInitialization(this); in its onCreate method.
-         In most cases you can leave this as-is, but you if you want to provide
-         additional functionality it is fine to subclass or reimplement
-         FlutterApplication and put your custom class here. -->
-    <application android:name="io.flutter.app.FlutterApplication" android:label="named_isolates">
-        <activity android:name=".MainActivity"
-                  android:launchMode="singleTop"
-                  android:theme="@style/Theme.AppCompat"
-                  android:configChanges="orientation|keyboardHidden|keyboard|screenSize|locale|layoutDirection|fontScale|screenLayout|density|uiMode"
-                  android:hardwareAccelerated="true"
-                  android:windowSoftInputMode="adjustResize">
-            <intent-filter>
-                <action android:name="android.intent.action.MAIN"/>
-                <category android:name="android.intent.category.LAUNCHER"/>
-            </intent-filter>
-        </activity>
-    </application>
-</manifest>

dev/integration_tests/named_isolates/android/app/src/main/java/com/example/view/MainActivity.java

-// 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.
-
-package com.example.view;
-
-import android.content.Intent;
-import android.os.Bundle;
-import android.view.View;
-import android.widget.TextView;
-import androidx.appcompat.app.ActionBar;
-import androidx.appcompat.app.AppCompatActivity;
-import io.flutter.plugin.common.BasicMessageChannel;
-import io.flutter.plugin.common.BasicMessageChannel.MessageHandler;
-import io.flutter.plugin.common.BasicMessageChannel.Reply;
-import io.flutter.plugin.common.StringCodec;
-import io.flutter.view.FlutterMain;
-import io.flutter.view.FlutterRunArguments;
-import io.flutter.view.FlutterView;
-import java.util.ArrayList;
-
-public class MainActivity extends AppCompatActivity {
-    private FlutterView firstFlutterView;
-    private FlutterView secondFlutterView;
-
-    @Override
-    protected void onCreate(Bundle savedInstanceState) {
-        super.onCreate(savedInstanceState);
-
-        FlutterMain.ensureInitializationComplete(getApplicationContext(), null);
-        setContentView(R.layout.flutter_view_layout);
-        ActionBar supportActionBar = getSupportActionBar();
-        if (supportActionBar != null) {
-            supportActionBar.hide();
-        }
-
-        FlutterRunArguments firstRunArguments = new FlutterRunArguments();
-        firstRunArguments.bundlePath = FlutterMain.findAppBundlePath(getApplicationContext());
-        firstRunArguments.entrypoint = "first";
-        firstFlutterView = findViewById(R.id.first);
-        firstFlutterView.runFromBundle(firstRunArguments);
-
-        FlutterRunArguments secondRunArguments = new FlutterRunArguments();
-        secondRunArguments.bundlePath = FlutterMain.findAppBundlePath(getApplicationContext());
-        secondRunArguments.entrypoint = "second";
-        secondFlutterView = findViewById(R.id.second);
-        secondFlutterView.runFromBundle(secondRunArguments);
-    }
-
-    @Override
-    protected void onDestroy() {
-        if (firstFlutterView != null) {
-            firstFlutterView.destroy();
-        }
-        if (secondFlutterView != null) {
-            secondFlutterView.destroy();
-        }
-        super.onDestroy();
-    }
-
-    @Override
-    protected void onPause() {
-        super.onPause();
-        firstFlutterView.onPause();
-        secondFlutterView.onPause();
-    }
-
-    @Override
-    protected void onPostResume() {
-        super.onPostResume();
-        firstFlutterView.onPostResume();
-        secondFlutterView.onPostResume();
-    }
-}

dev/integration_tests/named_isolates/android/app/src/main/res/layout/flutter_view_layout.xml

-<!-- 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. -->
-
-<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
-  xmlns:app="http://schemas.android.com/apk/res-auto"
-  android:orientation="vertical"
-  android:layout_width="match_parent"
-  android:layout_height="match_parent"
-  >
-
-  <io.flutter.view.FlutterView
-    android:id="@+id/first"
-    android:layout_width="match_parent"
-    android:layout_height="match_parent"
-    android:layout_weight="1"
-    />
-
-  <io.flutter.view.FlutterView
-    android:id="@+id/second"
-    android:layout_width="match_parent"
-    android:layout_height="match_parent"
-    android:layout_weight="1"
-    />
-
-</LinearLayout>

dev/integration_tests/named_isolates/android/build.gradle

-// 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.
-
-buildscript {
-    repositories {
-        google()
-        jcenter()
-    }
-
-    dependencies {
-        classpath 'com.android.tools.build:gradle:3.5.0'
-    }
-}
-
-allprojects {
-    repositories {
-        google()
-        jcenter()
-    }
-}
-
-rootProject.buildDir = '../build'
-subprojects {
-    project.buildDir = "${rootProject.buildDir}/${project.name}"
-}
-subprojects {
-    project.evaluationDependsOn(':app')
-}
-
-task clean(type: Delete) {
-    delete rootProject.buildDir
-}

dev/integration_tests/named_isolates/android/gradle.properties

-org.gradle.jvmargs=-Xmx1536M
-android.useAndroidX=true
-android.enableJetifier=true
-android.enableR8=true

dev/integration_tests/named_isolates/android/gradle/wrapper/gradle-wrapper.properties

-#Fri Jun 23 08:50:38 CEST 2017
-distributionBase=GRADLE_USER_HOME
-distributionPath=wrapper/dists
-zipStoreBase=GRADLE_USER_HOME
-zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-5.6.2-all.zip

dev/integration_tests/named_isolates/android/settings.gradle

-// 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.
-
-include ':app'
-
-def localPropertiesFile = new File(rootProject.projectDir, "local.properties")
-def properties = new Properties()
-
-assert localPropertiesFile.exists()
-localPropertiesFile.withReader("UTF-8") { reader -> properties.load(reader) }
-
-def flutterSdkPath = properties.getProperty("flutter.sdk")
-assert flutterSdkPath != null, "flutter.sdk not set in local.properties"
-apply from: "$flutterSdkPath/packages/flutter_tools/gradle/app_plugin_loader.gradle"

dev/integration_tests/named_isolates/lib/main.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.
-
-import 'dart:ui' as ui;
-import 'package:flutter/material.dart';
-
-// named_isolates_test depends on these values.
-const String _kFirstIsolateName = 'first isolate name';
-const String _kSecondIsolateName = 'second isolate name';
-
-void first() {
-  _run(_kFirstIsolateName);
-}
-
-void second() {
-  _run(_kSecondIsolateName);
-}
-
-void _run(String name) {
-  ui.window.setIsolateDebugName(name);
-  runApp(Center(child: Text(name, textDirection: TextDirection.ltr)));
-}
-
-// `first` and `second` are the actual entrypoints to this app, but dart specs
-// require a main function.
-void main() { }

dev/integration_tests/named_isolates/pubspec.yaml

-name: named_isolates
-description: Tester app for naming specific isolates.
-
-environment:
-  # The pub client defaults to an <2.0.0 sdk constraint which we need to explicitly overwrite.
-  sdk: ">=2.0.0-dev.68.0 <3.0.0"
-
-dependencies:
-  flutter:
-    sdk: flutter
-
-  characters: 1.1.0-nullsafety.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
-  collection: 1.15.0-nullsafety.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
-  meta: 1.3.0-nullsafety.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
-  typed_data: 1.3.0-nullsafety.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
-  vector_math: 2.1.0-nullsafety.2 # THIS LINE IS AUTOGENERATED - TO UPDATE USE "flutter update-packages --force-upgrade"
-
-flutter:
-  uses-material-design: true
-
-# PUBSPEC CHECKSUM: 98a5

packages/flutter_tools/bin/fuchsia_attach.dart

@@ -83,8 +83,6 @@ Future<void> main(List<String> args) async {
     'attach',
     '--module',
     name,
-    '--isolate-filter',
-    name,
     '--target',
     targetFile,
     '--target-model',

packages/flutter_tools/lib/src/build_runner/resident_web_runner.dart

@@ -198,11 +198,6 @@ abstract class ResidentWebRunner extends ResidentRunner {
     }
   }
 
-  @override
-  Future<List<FlutterView>> listFlutterViews() async {
-    return <FlutterView>[];
-  }
-
   @override
   Future<void> debugDumpApp() async {
     try {

packages/flutter_tools/lib/src/commands/attach.dart

@@ -57,7 +57,6 @@ import '../widget_cache.dart';
 class AttachCommand extends FlutterCommand {
   AttachCommand({bool verboseHelp = false, this.hotRunnerFactory}) {
     addBuildModeFlags(defaultToRelease: false);
-    usesIsolateFilterOption(hide: !verboseHelp);
     usesTargetOption();
     usesPortOptions();
     usesIpv6Flag();
@@ -380,7 +379,6 @@ class AttachCommand extends FlutterCommand {
       flutterProject: flutterProject,
       fileSystemRoots: stringsArg('filesystem-root'),
       fileSystemScheme: stringArg('filesystem-scheme'),
-      viewFilter: stringArg('isolate-filter'),
       target: stringArg('target'),
       targetModel: TargetModel(stringArg('target-model')),
       buildInfo: getBuildInfo(),

packages/flutter_tools/lib/src/commands/daemon.dart

@@ -470,7 +470,6 @@ class AppDomain extends Domain {
     final FlutterDevice flutterDevice = await FlutterDevice.create(
       device,
       flutterProject: flutterProject,
-      viewFilter: isolateFilter,
       target: target,
       buildInfo: options.buildInfo,
       widgetCache: WidgetCache(featureFlags: featureFlags),

packages/flutter_tools/lib/src/commands/run.dart

@@ -73,7 +73,6 @@ abstract class RunCommandBase extends FlutterCommand with DeviceBasedDevelopment
     usesIpv6Flag();
     usesPubOption();
     usesTrackWidgetCreation(verboseHelp: verboseHelp);
-    usesIsolateFilterOption(hide: !verboseHelp);
     addNullSafetyModeOptions(hide: !verboseHelp);
     usesDeviceUserOption();
   }
@@ -526,7 +525,6 @@ class RunCommand extends RunCommandBase {
           flutterProject: flutterProject,
           fileSystemRoots: stringsArg('filesystem-root'),
           fileSystemScheme: stringArg('filesystem-scheme'),
-          viewFilter: stringArg('isolate-filter'),
           experimentalFlags: expFlags,
           target: stringArg('target'),
           buildInfo: getBuildInfo(),

packages/flutter_tools/lib/src/resident_runner.dart

@@ -42,7 +42,6 @@ class FlutterDevice {
     @required this.buildInfo,
     this.fileSystemRoots,
     this.fileSystemScheme,
-    this.viewFilter,
     TargetModel targetModel = TargetModel.flutter,
     TargetPlatform targetPlatform,
     ResidentCompiler generator,
@@ -76,7 +75,6 @@ class FlutterDevice {
     @required BuildInfo buildInfo,
     List<String> fileSystemRoots,
     String fileSystemScheme,
-    String viewFilter,
     TargetModel targetModel = TargetModel.flutter,
     List<String> experimentalFlags,
     ResidentCompiler generator,
@@ -165,7 +163,6 @@ class FlutterDevice {
       device,
       fileSystemRoots: fileSystemRoots,
       fileSystemScheme:fileSystemScheme,
-      viewFilter: viewFilter,
       targetModel: targetModel,
       targetPlatform: targetPlatform,
       generator: generator,
@@ -188,7 +185,6 @@ class FlutterDevice {
   String fileSystemScheme;
   StreamSubscription<String> _loggingSubscription;
   bool _isListeningForObservatoryUri;
-  final String viewFilter;
 
   /// Whether the stream [observatoryUris] is still open.
   bool get isWaitingForObservatory => _isListeningForObservatoryUri ?? false;
@@ -947,18 +943,6 @@ abstract class ResidentRunner {
     throw Exception('Canvaskit not supported by this runner.');
   }
 
-  /// List the attached flutter views.
-  Future<List<FlutterView>> listFlutterViews() async {
-    final List<List<FlutterView>> views = await Future.wait(<Future<List<FlutterView>>>[
-      for (FlutterDevice device in flutterDevices)
-        if (device.vmService != null)
-          device.vmService.getFlutterViews()
-    ]);
-    return views
-      .expand((List<FlutterView> viewList) => viewList)
-      .toList();
-  }
-
   /// Write the SkSL shaders to a zip file in build directory.
   ///
   /// Returns the name of the file, or `null` on failures.
@@ -1532,13 +1516,6 @@ class TerminalHandler {
           return true;
         }
         return false;
-      case 'l':
-        final List<FlutterView> views = await residentRunner.listFlutterViews();
-        globals.printStatus('Connected ${pluralize('view', views.length)}:');
-        for (final FlutterView v in views) {
-          globals.printStatus('${v.uiIsolate.name} (${v.uiIsolate.id})', indent: 2);
-        }
-        return true;
       case 'L':
         if (residentRunner.supportsServiceProtocol) {
           await residentRunner.debugDumpLayerTree();

packages/flutter_tools/lib/src/runner/flutter_command.dart

@@ -396,14 +396,6 @@ abstract class FlutterCommand extends Command<void> {
     );
   }
 
-  void usesIsolateFilterOption({ @required bool hide }) {
-    argParser.addOption('isolate-filter',
-      defaultsTo: null,
-      hide: hide,
-      help: 'Restricts commands to a subset of the available isolates (running instances of Flutter).\n'
-            "Normally there's only one, but when adding Flutter to a pre-existing app it's possible to create multiple.");
-  }
-
   void usesDeviceUserOption() {
     argParser.addOption(FlutterOptions.kDeviceUser,
       help: 'Identifier number for a user or work profile on Android only. Run "adb shell pm list users" for available identifiers.',

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

@@ -207,20 +207,6 @@ void main() {
     });
   });
 
-  testUsingContext('FlutterDevice can list views with a filter', () => testbed.run(() async {
-    fakeVmServiceHost = FakeVmServiceHost(requests: <VmServiceExpectation>[
-      listViews,
-    ]);
-    final MockDevice mockDevice = MockDevice();
-    final FlutterDevice flutterDevice = FlutterDevice(
-      mockDevice,
-      buildInfo: BuildInfo.debug,
-      viewFilter: 'b', // Does not match name of `fakeFlutterView`.
-    );
-
-    flutterDevice.vmService = fakeVmServiceHost.vmService;
-  }));
-
   testUsingContext('ResidentRunner can attach to device successfully', () => testbed.run(() async {
     fakeVmServiceHost = FakeVmServiceHost(requests: <VmServiceExpectation>[
       listViews,
@@ -1640,17 +1626,6 @@ void main() {
     expect(fakeVmServiceHost.hasRemainingExpectations, false);
   }));
 
-  testUsingContext('listViews handles a null VM service', () => testbed.run(() async {
-    final FlutterDevice device = FlutterDevice(mockDevice, buildInfo: BuildInfo.debug);
-    final ResidentRunner residentRunner = HotRunner(
-      <FlutterDevice>[device],
-      debuggingOptions: DebuggingOptions.disabled(BuildInfo.debug)
-    );
-
-    expect(await residentRunner.listFlutterViews(), isEmpty);
-  }));
-
-
   testUsingContext('ResidentRunner debugDumpApp calls flutter device', () => testbed.run(() async {
     fakeVmServiceHost = FakeVmServiceHost(requests: <VmServiceExpectation>[]);
     await residentRunner.debugDumpApp();

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

@@ -8,7 +8,6 @@ import 'package:flutter_tools/src/build_info.dart';
 import 'package:flutter_tools/src/compile.dart';
 import 'package:flutter_tools/src/device.dart';
 import 'package:flutter_tools/src/resident_runner.dart';
-import 'package:flutter_tools/src/vmservice.dart';
 import 'package:mockito/mockito.dart';
 
 import '../src/common.dart';
@@ -155,19 +154,6 @@ void main() {
 
     });
 
-    testUsingContext('l - list flutter views', () async {
-      final MockFlutterDevice mockFlutterDevice = MockFlutterDevice();
-      when(mockResidentRunner.isRunningDebug).thenReturn(true);
-      when(mockResidentRunner.flutterDevices).thenReturn(<FlutterDevice>[mockFlutterDevice]);
-      when(mockResidentRunner.listFlutterViews()).thenAnswer((Invocation invocation) async {
-        return <FlutterView>[];
-      });
-
-      await terminalHandler.processTerminalInput('l');
-
-      expect(testLogger.statusText, contains('Connected views:\n'));
-    });
-
     testUsingContext('L - debugDumpLayerTree with service protocol', () async {
       await terminalHandler.processTerminalInput('L');