tree 1b981ed5eec6dbd4ba48c91dc637dd0518aa849c
parent c31106bdd2b981551ec568937ca550641ce12756
author fayang <fayang@google.com> 1588791529 -0700
committer Copybara-Service <copybara-worker@google.com> 1588791565 -0700

Use WaitUntil in EndToEndTest.SimpleStopSendingTest to fix the flakiness.

PiperOrigin-RevId: 310198911
Change-Id: I67a0131c145897e2ddc8a28b8fda579804107d53