Background process is initialized at server start and when trying to run the tests i get the following error.
$ make installcheck (using postmaster on Unix socket, default port) ============== dropping database "contrib_regression" ============== ERROR: DROP DATABASE cannot be executed from a function or multi-command string command failed: "/postgres/install/bin/psql" -X -c "DROP DATABASE IF EXISTS \"contrib_regression\"" "postgres" make: *** [installcheck] Error 2
