From 5aaac71f98c5fa0640c675ca1f1b90caaac1dbc2 Mon Sep 17 00:00:00 2001
From: liyuqian <liyuqian@google.com>
Date: Wed, 18 Sep 2019 10:25:14 -0700
Subject: [PATCH] Wait for first frame in driver tests (#40617)

The transition_perf test is no longer flaky.
---
 .../complex_layout/test_driver/scroll_perf_test.dart           | 3 +--
 examples/flutter_gallery/test_driver/scroll_perf_test.dart     | 3 +--
 2 files changed, 2 insertions(+), 4 deletions(-)

diff --git a/dev/benchmarks/complex_layout/test_driver/scroll_perf_test.dart b/dev/benchmarks/complex_layout/test_driver/scroll_perf_test.dart
index e26ae3476d..ab46a27f4f 100644
--- a/dev/benchmarks/complex_layout/test_driver/scroll_perf_test.dart
+++ b/dev/benchmarks/complex_layout/test_driver/scroll_perf_test.dart
@@ -14,8 +14,7 @@ void main() {
     setUpAll(() async {
       driver = await FlutterDriver.connect();
 
-      // TODO(liyuqian): enable the following once it's proved to be non-flaky by transition_perf_test.dart.
-      // await driver.waitUntilFirstFrameRasterized();
+      await driver.waitUntilFirstFrameRasterized();
     });
 
     tearDownAll(() async {
diff --git a/examples/flutter_gallery/test_driver/scroll_perf_test.dart b/examples/flutter_gallery/test_driver/scroll_perf_test.dart
index e2a43027ad..c1cdc34a6e 100644
--- a/examples/flutter_gallery/test_driver/scroll_perf_test.dart
+++ b/examples/flutter_gallery/test_driver/scroll_perf_test.dart
@@ -14,8 +14,7 @@ void main() {
     setUpAll(() async {
       driver = await FlutterDriver.connect();
 
-      // TODO(liyuqian): enable the following once it's proved to be non-flaky by transition_perf_test.dart.
-      // await driver.waitUntilFirstFrameRasterized();
+      await driver.waitUntilFirstFrameRasterized();
     });
 
     tearDownAll(() async {