Use localhost for test database connections

This fixes an issue if using psql container in docker and running the tests on the host machine. By specifying "localhost" this ensures the connection is done via TCP rather than sockets, which is needed to connect to the container.

Author: theseanything

config/database.yml

@@ -40,6 +40,9 @@ test:
   primary: &primary_test
     <<: *default
     database: forms_runner_test
+    username: postgres
+    password: postgres
+    host: localhost
   queue:
     <<: *primary_test
     database: forms_runner_test_queue