diff --git a/dwds/test/fixtures/context.dart b/dwds/test/fixtures/context.dart
index 73c1b0ca9..600987c8f 100644
--- a/dwds/test/fixtures/context.dart
+++ b/dwds/test/fixtures/context.dart
@@ -176,7 +176,7 @@ class TestContext {
   }) async {
     // Generate missing SDK assets if needed.
     final sdkConfigurationProvider =
-        TestSdkConfigurationProvider(verboseCompiler: verboseCompiler);
+        TestSdkConfigurationProvider(verbose: verboseCompiler);
     final sdkLayout = sdkConfigurationProvider.sdkLayout;
     final configuration = await sdkConfigurationProvider.configuration;
     configuration.validate();
diff --git a/test_common/lib/sdk_asset_generator.dart b/test_common/lib/sdk_asset_generator.dart
index 5d6061137..e9584e24d 100644
--- a/test_common/lib/sdk_asset_generator.dart
+++ b/test_common/lib/sdk_asset_generator.dart
@@ -17,14 +17,14 @@ class SdkAssetGenerator {
   final _logger = Logger('SdkAssetGenerator');
 
   final FileSystem fileSystem;
-  final bool verboseCompiler;
+  final bool verbose;
 
   late final TestSdkLayout sdkLayout;
 
   SdkAssetGenerator({
     this.fileSystem = const LocalFileSystem(),
     required this.sdkLayout,
-    this.verboseCompiler = false,
+    this.verbose = false,
   });
 
   /// Generate all SDK assets, once for the current executable run.
@@ -180,7 +180,7 @@ class SdkAssetGenerator {
           '--no-sound-null-safety',
         '--output',
         summaryPath,
-        if (verboseCompiler) '--verbose',
+        if (verbose) '--verbose',
       ];
 
       _logger.fine('Executing dart ${args.join(' ')}');
diff --git a/test_common/lib/test_sdk_configuration.dart b/test_common/lib/test_sdk_configuration.dart
index dabb616e0..902d6fe77 100644
--- a/test_common/lib/test_sdk_configuration.dart
+++ b/test_common/lib/test_sdk_configuration.dart
@@ -57,7 +57,7 @@ class TestSdkCopyConfigurationProvider extends SdkConfigurationProvider {
     try {
       final assetGenerator = SdkAssetGenerator(
         sdkLayout: sdkLayout,
-        verboseCompiler: _verbose,
+        verbose: _verbose,
       );
 
       await assetGenerator.generateSdkAssets();
@@ -92,13 +92,12 @@ class TestSdkCopyConfigurationProvider extends SdkConfigurationProvider {
 /// TODO(annagrin): update to only generating missing sound artifacts
 /// for frontend server after we have no uses of weak null safety.
 class TestSdkConfigurationProvider extends SdkConfigurationProvider {
-  final bool _verboseCompiler;
+  final bool _verbose;
   SdkConfiguration? _configuration;
 
   final sdkLayout = TestSdkLayout.defaultSdkLayout;
 
-  TestSdkConfigurationProvider({bool verboseCompiler = false})
-      : _verboseCompiler = verboseCompiler;
+  TestSdkConfigurationProvider({bool verbose = false}) : _verbose = verbose;
 
   @override
   Future<SdkConfiguration> get configuration async =>
@@ -108,7 +107,7 @@ class TestSdkConfigurationProvider extends SdkConfigurationProvider {
   Future<SdkConfiguration> _create() async {
     final assetGenerator = SdkAssetGenerator(
       sdkLayout: sdkLayout,
-      verboseCompiler: _verboseCompiler,
+      verbose: _verbose,
     );
 
     await assetGenerator.generateSdkAssets();
diff --git a/test_common/test/sdk_asset_generator_test.dart b/test_common/test/sdk_asset_generator_test.dart
index 5c54ceadd..79c98df22 100644
--- a/test_common/test/sdk_asset_generator_test.dart
+++ b/test_common/test/sdk_asset_generator_test.dart
@@ -76,7 +76,7 @@ void main() {
       final configuration = TestSdkLayout.createConfiguration(sdkLayout);
 
       final assetGenerator =
-          SdkAssetGenerator(sdkLayout: sdkLayout, verboseCompiler: true);
+          SdkAssetGenerator(sdkLayout: sdkLayout, verbose: true);
       await assetGenerator.generateSdkAssets();
 
       // Make sure SDK configuration and asset generator agree on the file paths.
diff --git a/webdev/test/daemon/app_domain_test.dart b/webdev/test/daemon/app_domain_test.dart
index ad6f6735e..546172400 100644
--- a/webdev/test/daemon/app_domain_test.dart
+++ b/webdev/test/daemon/app_domain_test.dart
@@ -14,39 +14,43 @@ import 'utils.dart';
 void main() {
   late String exampleDirectory;
 
+  final testRunner = TestRunner();
   setUpAll(() async {
-    exampleDirectory = await prepareWorkspace();
+    await testRunner.setUpAll();
+    exampleDirectory = await testRunner.prepareWorkspace();
   });
 
+  tearDownAll(testRunner.tearDownAll);
+
   group('AppDomain', () {
     group('Events', () {
       test('.start', () async {
-        var webdev =
-            await runWebDev(['daemon'], workingDirectory: exampleDirectory);
+        var webdev = await testRunner
+            .runWebDev(['daemon'], workingDirectory: exampleDirectory);
         await expectLater(
             webdev.stdout, emitsThrough(startsWith('[{"event":"app.start"')));
         await exitWebdev(webdev);
       });
 
       test('.started', () async {
-        var webdev =
-            await runWebDev(['daemon'], workingDirectory: exampleDirectory);
+        var webdev = await testRunner
+            .runWebDev(['daemon'], workingDirectory: exampleDirectory);
         await expectLater(
             webdev.stdout, emitsThrough(startsWith('[{"event":"app.started"')));
         await exitWebdev(webdev);
       });
 
       test('.debugPort', () async {
-        var webdev =
-            await runWebDev(['daemon'], workingDirectory: exampleDirectory);
+        var webdev = await testRunner
+            .runWebDev(['daemon'], workingDirectory: exampleDirectory);
         await expectLater(webdev.stdout,
             emitsThrough(startsWith('[{"event":"app.debugPort"')));
         await exitWebdev(webdev);
       });
 
       test('.log', () async {
-        var webdev =
-            await runWebDev(['daemon'], workingDirectory: exampleDirectory);
+        var webdev = await testRunner
+            .runWebDev(['daemon'], workingDirectory: exampleDirectory);
         var appId = await waitForAppId(webdev);
         // The example app does an initial print.
         await expectLater(
@@ -60,8 +64,8 @@ void main() {
 
     group('Methods', () {
       test('.callServiceExtension', () async {
-        var webdev =
-            await runWebDev(['daemon'], workingDirectory: exampleDirectory);
+        var webdev = await testRunner
+            .runWebDev(['daemon'], workingDirectory: exampleDirectory);
         var appId = await waitForAppId(webdev);
         if (Platform.isWindows) {
           // Windows takes a bit longer to run the application and register
@@ -81,8 +85,8 @@ void main() {
       });
 
       test('.reload', () async {
-        var webdev =
-            await runWebDev(['daemon'], workingDirectory: exampleDirectory);
+        var webdev = await testRunner
+            .runWebDev(['daemon'], workingDirectory: exampleDirectory);
         var appId = await waitForAppId(webdev);
         var extensionCall = '[{"method":"app.restart","id":0,'
             '"params" : { "appId" : "$appId", "fullRestart" : false}}]';
@@ -97,8 +101,8 @@ void main() {
       });
 
       test('.restart', () async {
-        var webdev =
-            await runWebDev(['daemon'], workingDirectory: exampleDirectory);
+        var webdev = await testRunner
+            .runWebDev(['daemon'], workingDirectory: exampleDirectory);
         var appId = await waitForAppId(webdev);
         var extensionCall = '[{"method":"app.restart","id":0,'
             '"params" : { "appId" : "$appId", "fullRestart" : true}}]';
@@ -117,8 +121,8 @@ void main() {
       });
 
       test('.stop', () async {
-        var webdev =
-            await runWebDev(['daemon'], workingDirectory: exampleDirectory);
+        var webdev = await testRunner
+            .runWebDev(['daemon'], workingDirectory: exampleDirectory);
         var appId = await waitForAppId(webdev);
         var stopCall = '[{"method":"app.stop","id":0,'
             '"params" : { "appId" : "$appId"}}]';
diff --git a/webdev/test/daemon/daemon_domain_test.dart b/webdev/test/daemon/daemon_domain_test.dart
index a7102a622..45cfdf07d 100644
--- a/webdev/test/daemon/daemon_domain_test.dart
+++ b/webdev/test/daemon/daemon_domain_test.dart
@@ -14,15 +14,19 @@ import 'utils.dart';
 void main() {
   late String exampleDirectory;
 
+  final testRunner = TestRunner();
   setUpAll(() async {
-    exampleDirectory = await prepareWorkspace();
+    await testRunner.setUpAll();
+    exampleDirectory = await testRunner.prepareWorkspace();
   });
 
+  tearDownAll(testRunner.tearDownAll);
+
   group('Daemon', () {
     group('Events', () {
       test('.connected', () async {
-        var webdev =
-            await runWebDev(['daemon'], workingDirectory: exampleDirectory);
+        var webdev = await testRunner
+            .runWebDev(['daemon'], workingDirectory: exampleDirectory);
         await expectLater(
             webdev.stdout, emits(startsWith('[{"event":"daemon.connected"')));
         await exitWebdev(webdev);
@@ -31,8 +35,8 @@ void main() {
 
     group('Methods', () {
       test('.version', () async {
-        var webdev =
-            await runWebDev(['daemon'], workingDirectory: exampleDirectory);
+        var webdev = await testRunner
+            .runWebDev(['daemon'], workingDirectory: exampleDirectory);
         webdev.stdin.add(utf8.encode('[{"method":"daemon.version","id":0}]\n'));
         await expectLater(
             webdev.stdout, emitsThrough(equals('[{"id":0,"result":"0.4.2"}]')));
@@ -40,8 +44,8 @@ void main() {
       });
 
       test('.shutdown', () async {
-        var webdev =
-            await runWebDev(['daemon'], workingDirectory: exampleDirectory);
+        var webdev = await testRunner
+            .runWebDev(['daemon'], workingDirectory: exampleDirectory);
         webdev.stdin
             .add(utf8.encode('[{"method":"daemon.shutdown","id":0}]\n'));
         await expectLater(webdev.stdout, emitsThrough(equals('[{"id":0}]')));
diff --git a/webdev/test/daemon/launch_app_test.dart b/webdev/test/daemon/launch_app_test.dart
index 9818e7ba9..d37e74ac0 100644
--- a/webdev/test/daemon/launch_app_test.dart
+++ b/webdev/test/daemon/launch_app_test.dart
@@ -11,12 +11,17 @@ import 'utils.dart';
 void main() {
   late String exampleDirectory;
 
+  final testRunner = TestRunner();
   setUpAll(() async {
-    exampleDirectory = await prepareWorkspace();
+    await testRunner.setUpAll();
+    exampleDirectory = await testRunner.prepareWorkspace();
   });
 
+  tearDownAll(testRunner.tearDownAll);
+
   test('--launch-app launches the specified app', () async {
-    var webdev = await runWebDev(['daemon', '--launch-app=web/scopes.html'],
+    var webdev = await testRunner.runWebDev(
+        ['daemon', '--launch-app=web/scopes.html'],
         workingDirectory: exampleDirectory);
     var appId = await waitForAppId(webdev);
 
diff --git a/webdev/test/daemon/utils.dart b/webdev/test/daemon/utils.dart
index f124a2fcd..edc856ce7 100644
--- a/webdev/test/daemon/utils.dart
+++ b/webdev/test/daemon/utils.dart
@@ -5,13 +5,9 @@
 import 'dart:async';
 import 'dart:convert';
 
-import 'package:path/path.dart' as p;
 import 'package:test/test.dart';
 import 'package:test_process/test_process.dart';
 import 'package:vm_service/vm_service.dart';
-import 'package:webdev/src/util.dart';
-
-import '../test_utils.dart';
 
 const isRPCError = TypeMatcher<RPCError>();
 
@@ -37,17 +33,6 @@ Future<String> waitForAppId(TestProcess webdev) async {
   return appId;
 }
 
-Future<String> prepareWorkspace() async {
-  var exampleDirectory =
-      p.absolute(p.join(p.current, '..', 'fixtures', '_webdevSoundSmoke'));
-
-  var process = await TestProcess.start(dartPath, ['pub', 'upgrade'],
-      workingDirectory: exampleDirectory, environment: getPubEnvironment());
-
-  await process.shouldExit(0);
-  return exampleDirectory;
-}
-
 String? getDebugServiceUri(String line) {
   var regex = RegExp(r'Debug service listening on (?<wsUri>[^\s^\\]*)');
   var match = regex.firstMatch(line);
diff --git a/webdev/test/e2e_test.dart b/webdev/test/e2e_test.dart
index 8d706a434..6c6d09248 100644
--- a/webdev/test/e2e_test.dart
+++ b/webdev/test/e2e_test.dart
@@ -36,10 +36,12 @@ void main() {
   // Change to true for debugging.
   final debug = false;
 
+  final testRunner = TestRunner();
   late String exampleDirectory;
   late String soundExampleDirectory;
   setUpAll(() async {
     configureLogWriter(debug);
+    await testRunner.setUpAll();
     exampleDirectory =
         p.absolute(p.join(p.current, '..', 'fixtures', '_webdevSmoke'));
     soundExampleDirectory =
@@ -62,6 +64,8 @@ void main() {
     await d.file('pubspec.lock', isNotEmpty).validate(soundExampleDirectory);
   });
 
+  tearDownAll(testRunner.tearDownAll);
+
   test('smoke test is configured properly', () async {
     var smokeYaml = loadYaml(
             await File('$soundExampleDirectory/pubspec.yaml').readAsString())
@@ -81,8 +85,8 @@ void main() {
 
     var args = ['build', '-o', 'web:${d.sandbox}'];
 
-    var process =
-        await runWebDev(args, workingDirectory: soundExampleDirectory);
+    var process = await testRunner.runWebDev(args,
+        workingDirectory: soundExampleDirectory);
 
     // NOTE: We'd like this to be more useful
     // See https://github.com/dart-lang/build/issues/1283
@@ -109,8 +113,8 @@ void main() {
       '--delete-conflicting-outputs'
     ];
 
-    var process =
-        await runWebDev(args, workingDirectory: soundExampleDirectory);
+    var process = await testRunner.runWebDev(args,
+        workingDirectory: soundExampleDirectory);
 
     await checkProcessStdout(process, ['Succeeded']);
     await process.shouldExit(0);
@@ -124,8 +128,8 @@ void main() {
           args.add('--no-release');
         }
 
-        var process =
-            await runWebDev(args, workingDirectory: soundExampleDirectory);
+        var process = await testRunner.runWebDev(args,
+            workingDirectory: soundExampleDirectory);
 
         var expectedItems = <Object>['Succeeded'];
 
@@ -152,8 +156,8 @@ void main() {
         '--null-safety=sound'
       ];
 
-      var process =
-          await runWebDev(args, workingDirectory: soundExampleDirectory);
+      var process = await testRunner.runWebDev(args,
+          workingDirectory: soundExampleDirectory);
 
       var expectedItems = <Object>['Succeeded'];
 
@@ -172,7 +176,8 @@ void main() {
         '--null-safety=unsound'
       ];
 
-      var process = await runWebDev(args, workingDirectory: exampleDirectory);
+      var process =
+          await testRunner.runWebDev(args, workingDirectory: exampleDirectory);
 
       var expectedItems = <Object>['Succeeded'];
 
@@ -191,8 +196,8 @@ void main() {
           args.add('--no-release');
         }
 
-        var process =
-            await runWebDev(args, workingDirectory: soundExampleDirectory);
+        var process = await testRunner.runWebDev(args,
+            workingDirectory: soundExampleDirectory);
 
         var expectedItems = <Object>['Succeeded'];
 
@@ -214,8 +219,8 @@ void main() {
           args.add('--release');
         }
 
-        var process =
-            await runWebDev(args, workingDirectory: soundExampleDirectory);
+        var process = await testRunner.runWebDev(args,
+            workingDirectory: soundExampleDirectory);
 
         var hostUrl = 'http://localhost:$openPort';
 
@@ -256,8 +261,8 @@ void main() {
             if (command == 'build') '--output=$dir:foo' else dir
           ];
 
-          var process =
-              await runWebDev(args, workingDirectory: soundExampleDirectory);
+          var process = await testRunner.runWebDev(args,
+              workingDirectory: soundExampleDirectory);
           await expectLater(
               process.stdout,
               emitsThrough(contains(
@@ -294,7 +299,7 @@ void main() {
               '--null-safety=$nullSafetyOption',
               '--verbose',
             ];
-            var process = await runWebDev(args,
+            var process = await testRunner.runWebDev(args,
                 workingDirectory:
                     soundNullSafety ? soundExampleDirectory : exampleDirectory);
             VmService? vmService;
@@ -360,7 +365,7 @@ void main() {
               '--enable-expression-evaluation',
               '--verbose',
             ];
-            var process = await runWebDev(args,
+            var process = await testRunner.runWebDev(args,
                 workingDirectory:
                     soundNullSafety ? soundExampleDirectory : exampleDirectory);
             VmService? vmService;
@@ -418,7 +423,7 @@ void main() {
               '--no-enable-expression-evaluation',
               '--verbose',
             ];
-            var process = await runWebDev(args,
+            var process = await testRunner.runWebDev(args,
                 workingDirectory:
                     soundNullSafety ? soundExampleDirectory : exampleDirectory);
             VmService? vmService;
@@ -473,7 +478,7 @@ void main() {
               '--no-enable-expression-evaluation',
               '--verbose',
             ];
-            var process = await runWebDev(args,
+            var process = await testRunner.runWebDev(args,
                 workingDirectory:
                     soundNullSafety ? soundExampleDirectory : exampleDirectory);
             VmService? vmService;
diff --git a/webdev/test/integration_test.dart b/webdev/test/integration_test.dart
index 2e9154388..6739b8bdf 100644
--- a/webdev/test/integration_test.dart
+++ b/webdev/test/integration_test.dart
@@ -18,8 +18,12 @@ void main() {
   var pubCommand =
       sdkVersion.compareTo(firstSdkVersionWithoutPub) < 0 ? 'pub' : 'dart pub';
 
+  final testRunner = TestRunner();
+  setUpAll(testRunner.setUpAll);
+  tearDownAll(testRunner.tearDownAll);
+
   test('non-existant commands create errors', () async {
-    var process = await runWebDev(['monkey']);
+    var process = await testRunner.runWebDev(['monkey']);
 
     await expectLater(
         process.stdout, emits('Could not find a command named "monkey".'));
@@ -28,7 +32,7 @@ void main() {
   });
 
   test('passing extra args to build fails with bad usage', () async {
-    var process = await runWebDev(['build', 'extra', 'args']);
+    var process = await testRunner.runWebDev(['build', 'extra', 'args']);
 
     await expectLater(process.stdout,
         emits('Arguments were provided that are not supported: "extra args".'));
@@ -55,7 +59,8 @@ name: sample
     await d.file('.dart_tool/package_config.json', '''
 ''').create();
 
-    var process = await runWebDev(['serve'], workingDirectory: d.sandbox);
+    var process =
+        await testRunner.runWebDev(['serve'], workingDirectory: d.sandbox);
 
     var output = await process.stdout.rest.toList();
 
@@ -87,7 +92,8 @@ name: sample
           await d.file('.dart_tool/package_config.json', '''
 ''').create();
 
-          var process = await runWebDev([command], workingDirectory: d.sandbox);
+          var process = await testRunner
+              .runWebDev([command], workingDirectory: d.sandbox);
 
           await checkProcessStdout(process, [
             'webdev could not run for this project.',
@@ -110,7 +116,8 @@ name: sample
           await d.file('.dart_tool/package_config.json', '''
 ''').create();
 
-          var process = await runWebDev(['serve'], workingDirectory: d.sandbox);
+          var process = await testRunner
+              .runWebDev(['serve'], workingDirectory: d.sandbox);
 
           await checkProcessStdout(process, [
             'webdev could not run for this project.',
@@ -138,7 +145,8 @@ name: sample
           // Required for webdev to not complain about nothing to serve.
           await d.dir('web').create();
 
-          var process = await runWebDev(['serve', '--no-build-web-compilers'],
+          var process = await testRunner.runWebDev(
+              ['serve', '--no-build-web-compilers'],
               workingDirectory: d.sandbox);
 
           // Fails since this is a fake package
@@ -187,8 +195,8 @@ name: sample
               await d.file('.dart_tool/package_config.json', '''
 ''').create();
 
-              var process =
-                  await runWebDev(['serve'], workingDirectory: d.sandbox);
+              var process = await testRunner
+                  .runWebDev(['serve'], workingDirectory: d.sandbox);
 
               if (entry.key == 'build_daemon') {
                 await checkProcessStdout(process, [
@@ -212,7 +220,8 @@ name: sample
       }
 
       test('no pubspec.yaml', () async {
-        var process = await runWebDev(['serve'], workingDirectory: d.sandbox);
+        var process =
+            await testRunner.runWebDev(['serve'], workingDirectory: d.sandbox);
 
         await checkProcessStdout(process, [
           'webdev could not run for this project.',
@@ -226,7 +235,8 @@ name: sample
 name: sample
 ''').create();
 
-        var process = await runWebDev(['serve'], workingDirectory: d.sandbox);
+        var process =
+            await testRunner.runWebDev(['serve'], workingDirectory: d.sandbox);
 
         await checkProcessStdout(process, [
           'webdev could not run for this project.',
@@ -250,7 +260,8 @@ dependencies:
   args: ^1.0.0
 ''').create();
 
-        var process = await runWebDev(['serve'], workingDirectory: d.sandbox);
+        var process =
+            await testRunner.runWebDev(['serve'], workingDirectory: d.sandbox);
 
         await checkProcessStdout(process, [
           'webdev could not run for this project.',
diff --git a/webdev/test/readme_test.dart b/webdev/test/readme_test.dart
index 0f57f0f96..77def258a 100644
--- a/webdev/test/readme_test.dart
+++ b/webdev/test/readme_test.dart
@@ -15,14 +15,18 @@ import 'package:test/test.dart';
 import 'test_utils.dart';
 
 void main() {
-  test('help build', () => _readmeCheck(['help', 'build']));
-  test('help serve', () => _readmeCheck(['help', 'serve']));
+  final testRunner = TestRunner();
+  setUpAll(testRunner.setUpAll);
+  tearDownAll(testRunner.tearDownAll);
+
+  test('help build', () => _readmeCheck(testRunner, ['help', 'build']));
+  test('help serve', () => _readmeCheck(testRunner, ['help', 'serve']));
 }
 
 final _readmeContents = File('README.md').readAsStringSync();
 
-Future _readmeCheck(List<String> args) async {
-  var process = await runWebDev(args);
+Future _readmeCheck(TestRunner testRunner, List<String> args) async {
+  var process = await testRunner.runWebDev(args);
   var output =
       (await process.stdoutStream().map((line) => line.trimRight()).join('\n'))
           .trim();
diff --git a/webdev/test/test_utils.dart b/webdev/test/test_utils.dart
index 67ee55813..c2ec4a530 100644
--- a/webdev/test/test_utils.dart
+++ b/webdev/test/test_utils.dart
@@ -8,21 +8,54 @@ import 'dart:io';
 import 'package:path/path.dart' as p;
 import 'package:test/test.dart';
 import 'package:test_common/test_sdk_configuration.dart';
+import 'package:test_common/test_sdk_layout.dart';
 import 'package:test_process/test_process.dart';
-import 'package:webdev/src/util.dart';
 
 final _webdevBin = p.absolute(p.join('bin', 'webdev.dart'));
-final _sdkConfigurationProvider = TestSdkConfigurationProvider();
 
-Future<TestProcess> runWebDev(List<String> args,
-    {String? workingDirectory}) async {
-  // Generate missing test assets in the SDK.
-  await _sdkConfigurationProvider.configuration;
+class TestRunner {
+  late TestSdkCopyConfigurationProvider sdkConfigurationProvider;
+  late TestSdkLayout sdkLayout;
 
-  var fullArgs = [_webdevBin, ...args];
+  Future<void> setUpAll({bool verbose = false}) async {
+    // Generate missing SDK assets if needed.
+    sdkConfigurationProvider =
+        TestSdkCopyConfigurationProvider(verbose: verbose);
+    sdkLayout = sdkConfigurationProvider.sdkLayout;
 
-  return TestProcess.start(dartPath, fullArgs,
-      workingDirectory: workingDirectory);
+    try {
+      // Make sure configuration was created correctly.
+      final configuration = await sdkConfigurationProvider.configuration;
+      configuration.validate();
+    } catch (_) {
+      tearDownAll();
+      rethrow;
+    }
+  }
+
+  void tearDownAll() {
+    sdkConfigurationProvider.dispose();
+  }
+
+  Future<TestProcess> runWebDev(List<String> args,
+      {String? workingDirectory}) async {
+    var fullArgs = [_webdevBin, ...args];
+
+    return TestProcess.start(sdkLayout.dartPath, fullArgs,
+        workingDirectory: workingDirectory);
+  }
+
+  Future<String> prepareWorkspace() async {
+    var exampleDirectory =
+        p.absolute(p.join(p.current, '..', 'fixtures', '_webdevSoundSmoke'));
+
+    var process = await TestProcess.start(
+        sdkLayout.dartPath, ['pub', 'upgrade'],
+        workingDirectory: exampleDirectory, environment: getPubEnvironment());
+
+    await process.shouldExit(0);
+    return exampleDirectory;
+  }
 }
 
 Future checkProcessStdout(TestProcess process, List items) async {