error: missing required attribute 'ui_dir'
       help: Add ui_dir = "src/ui" to the macro attributes
 --> tests/ui/missing_ui_dir.rs:6:1
  |
6 | #[dampen_app(message_type = "Message", handler_variant = "Handler")]
  | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  |
  = note: this error originates in the attribute macro `dampen_app` (in Nightly builds, run with -Z macro-backtrace for more info)
