fix load dist

Author: misrasaurabh1

.github/workflows/unit-tests.yaml

@@ -37,4 +37,4 @@ jobs:
         run: uv sync --group ci --group tests
 
       - name: Unit tests
-        run: uv run pytest tests/ -n auto --dist loadgroup
+        run: uv run pytest tests/ -n auto --dist loadfile

.github/workflows/windows-unit-tests.yml

@@ -31,4 +31,4 @@ jobs:
         run: uv sync --group ci
 
       - name: Unit tests
-        run: uv run pytest tests/ -n auto
+        run: uv run pytest tests/ -n auto --dist loadfile

tests/conftest.py

@@ -4,24 +4,6 @@
 
 from codeflash.languages import reset_current_language
 
-# Test modules that modify files in code_to_optimize/ must run in the same xdist worker
-# to avoid race conditions when running tests in parallel
-SHARED_FILE_TEST_MODULES = {
-    "test_comparator",
-    "test_instrumentation_run_results_aiservice",
-    "test_instrument_all_and_run",
-    "test_async_run_and_parse_tests",
-    "test_instrument_tests",
-}
-
-
-def pytest_collection_modifyitems(items):
-    """Mark tests that modify shared files to run in the same xdist worker."""
-    for item in items:
-        module_name = item.module.__name__.split(".")[-1]
-        if module_name in SHARED_FILE_TEST_MODULES:
-            item.add_marker(pytest.mark.xdist_group("code_to_optimize_files"))
-
 
 @pytest.fixture(autouse=True)
 def set_python_language():