python3Packages.pgsanity: fix build

Tests are located in test/, make unittest pick them up.

Author: wolfgangwalther

pkgs/development/python-modules/pgsanity/default.nix

@@ -20,6 +20,9 @@ buildPythonPackage rec {
     unittestCheckHook
     postgresql
   ];
+
+  unittestFlagsArray = [ "test" ];
+
   propagatedBuildInputs = [ postgresql ];
 
   meta = with lib; {