haskellPackages.stakhanov: disable test suite

In theory this should work with postgresql + pgmq plugin with
postgresqlTestHook and postgresqlEnableTCP (hardcodes port),
but it fails on selecting from the pgmq schema. Maybe the db
needs to be preinitialized somehow?

pkgs/development/haskell-modules/configuration-nix.nix

@@ -1353,6 +1353,8 @@ builtins.intersectAttrs super {
     ];
     doCheck = drv.doCheck or true && !(pkgs.postgresqlTestHook.meta.broken);
   }) super.haskell-pgmq;
+  # Needs pgmq available at test time with somehow preinitialized database (?)
+  stakhanov = dontCheck super.stakhanov;
 
   migrant-postgresql-simple = lib.pipe super.migrant-postgresql-simple [
     (overrideCabal {