gemini quota exhausted: fixing regressions in test suite

tests/test_ast_inspector_extended.py

@@ -1,6 +1,6 @@
 import unittest.mock
 from unittest.mock import MagicMock, patch
-from src.gui_2 import App
+from src.gui_2 import App, render_ast_inspector_modal
 from src import models
 
 def test_ast_inspector_line_range_parsing():
@@ -37,7 +37,7 @@ def test_ast_inspector_line_range_parsing():
   mock_imscope.style_var.return_value.__enter__.return_value = None
   
   # 4. Call the method
-  App._render_ast_inspector_modal(app)
+  render_ast_inspector_modal(app)
   
   # 5. Assertions
   assert len(app._cached_ast_nodes) == 2