[test_trainer] Relax test even further

4 jobs for fix-floating-point-cmp in 4 minutes and 7 seconds (queued for 7 seconds)
Status Job ID Name Coverage
  Build
passed #183773
docker
build_linux_36

00:03:30

passed #183774
docker
build_linux_37

00:03:31

passed #183771
macosx
build_macosx_36

00:04:04

passed #183772
macosx
build_macosx_37

00:04:04