haskell-postgresql-libpq-notify: disable test suite to fix the build

The tests need a running PostgreSQL database.

pkgs/development/haskell-modules/configuration-hackage2nix.yaml

@@ -8547,7 +8547,6 @@ broken-packages:
   - postgres-embedded
   - postgres-tmp
   - postgres-websockets
-  - postgresql-libpq-notify
   - postgresql-lo-stream
   - postgresql-named
   - postgresql-query

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

@@ -762,4 +762,8 @@ self: super: builtins.intersectAttrs super {
   # Tests disabled as recommended at https://github.com/luke-clifton/shh/issues/39
   shh = dontCheck super.shh;
 
+  # The test suites fail because there's no PostgreSQL database running in our
+  # build sandbox.
+  postgresql-libpq-notify = dontCheck super.postgresql-libpq-notify;
+
 }