fix unit tests and error messages

module.go

@@ -59,6 +59,9 @@ func (s *Module) Logger() *slog.Logger {
 	if s.logger != nil {
 		return s.logger
 	}
+	if s.lifecycle == nil {
+		panic("module has no lifecycle, cannot get logger")
+	}
 	return s.lifecycle.Logger()
 }