Mark flaky test as xfail, install pytest-timeout

Author: MischaPanch

pyproject.toml

@@ -72,6 +72,7 @@ dev = [
   "jupyter-book>=1,<2",
   "nbsphinx",
   "pyinstrument",
+  "pytest-timeout>=2.4.0",
 ]
 agno = ["agno>=2.2.1", "sqlalchemy>=2.0.40"]
 google = ["google-genai>=1.8.0"]

test/solidlsp/elixir/test_elixir_symbol_retrieval.py

@@ -257,6 +257,7 @@ def test_symbol_methods_integration(self, language_server: SolidLanguageServer)
                 # We should find some references or none (both are valid outcomes)
                 assert isinstance(refs, list)
 
+    @pytest.mark.xfail(reason="Flaky test, sometimes fails with an Expert-internal error")
     @pytest.mark.parametrize("language_server", [Language.ELIXIR], indirect=True)
     def test_symbol_tree_structure(self, language_server: SolidLanguageServer) -> None:
         """Test that symbol tree structure is correctly built."""