Refactor radar system

python_app/tests/test_bscan_replay.py

@@ -26,6 +26,7 @@ from PyQt6.QtCore import QSignalBlocker  # noqa: E402
 from PyQt6.QtWidgets import QApplication  # noqa: E402
 
 from python_app.gui.app_window import AppWindow  # noqa: E402
+from python_app.tests.gui_test_support import isolated_window
 from python_app.gui.runtime.history import collection_key  # noqa: E402
 from python_app.models.dataset_model import (  # noqa: E402
     ComboKey,
@@ -50,7 +51,7 @@ _window: AppWindow | None = None
 def setUpModule() -> None:
     global _app, _window
     _app = QApplication.instance() or QApplication([])
-    _window = AppWindow(Path("."))
+    _window = isolated_window(unittest.addModuleCleanup)
 
 
 def tearDownModule() -> None: