[test] Remove whitespace remainder on a few test units

2 jobs for issue-63 in 32 minutes and 37 seconds (queued for 2 seconds)
Status Job ID Name Coverage
  Build
passed #157627
docker-build
build_linux_36

00:32:36

73.0%
passed #157628
macosx
build_macosx_36

00:13:51

73.0%