diff --git a/packages/flutter_tools/test/base/net_test.dart b/packages/flutter_tools/test/base/net_test.dart
index c38437a..46da5ff 100644
--- a/packages/flutter_tools/test/base/net_test.dart
+++ b/packages/flutter_tools/test/base/net_test.dart
@@ -233,7 +233,7 @@
   }
 }
 
-class MockHttpClientResponse extends Stream<List<int>> implements io.HttpClientResponse {
+class MockHttpClientResponse implements io.HttpClientResponse {
   MockHttpClientResponse(this.statusCode);
 
   @override
@@ -254,6 +254,11 @@
   }
 
   @override
+  Future<dynamic> forEach(void Function(Uint8List element) action) {
+    return Future<void>.error(const io.SocketException('test'));
+  }
+
+  @override
   dynamic noSuchMethod(Invocation invocation) {
     throw 'io.HttpClientResponse - $invocation';
   }
diff --git a/packages/flutter_tools/test/commands/create_test.dart b/packages/flutter_tools/test/commands/create_test.dart
index 68c60c8..5ea6689 100644
--- a/packages/flutter_tools/test/commands/create_test.dart
+++ b/packages/flutter_tools/test/commands/create_test.dart
@@ -1286,7 +1286,7 @@
   }
 }
 
-class MockHttpClientResponse extends Stream<List<int>> implements HttpClientResponse {
+class MockHttpClientResponse implements HttpClientResponse {
   MockHttpClientResponse(this.statusCode, {this.result});
 
   @override
@@ -1314,6 +1314,12 @@
   }
 
   @override
+  Future<dynamic> forEach(void Function(Uint8List element) action) {
+    action(Uint8List.fromList(result.codeUnits));
+    return Future<void>.value();
+  }
+
+  @override
   dynamic noSuchMethod(Invocation invocation) {
     throw 'io.HttpClientResponse - $invocation';
   }