Merge pull request #18427 from tomoaki0705:improveFlipTest
authorAlexander Alekhin <alexander.a.alekhin@gmail.com>
Fri, 25 Sep 2020 19:49:26 +0000 (19:49 +0000)
committerAlexander Alekhin <alexander.a.alekhin@gmail.com>
Fri, 25 Sep 2020 19:49:26 +0000 (19:49 +0000)

Trivial merge