[test.utils] Handle ModuleNotFoundError when bob.db.atnt is not available

2 jobs for test-utils-atnt-module-missing in 5 minutes and 37 seconds (queued for 1 second)
Status Job ID Name Coverage
  Build
passed #219521
docker
build_linux_37

00:05:35

83.0%
passed #219520
macosx
build_macosx_37

00:05:02

83.0%