[settings][test] Don't make the database in memory for beat.cmdline tests

For testing purpose the database has been moved to
/dev/shm and the sqlite3 file is used to optimize
the testing speed of beat/beat.cmdline.
1 job for test_configuration_cleanup in 13 minutes and 22 seconds (queued for 2 seconds)
Status Job ID Name Coverage
  Build
passed #180993
docker-build
build_linux_36

00:13:22

65.0%