use a separate temp dir

Author: KRRT7

codeflash/discovery/discover_unit_tests.py

@@ -7,6 +7,7 @@
 import re
 import sqlite3
 import subprocess
+import tempfile
 import unittest
 from collections import defaultdict
 from pathlib import Path
@@ -287,6 +288,9 @@ def _process_single_test_file(
     test_file: Path, functions: list[TestsInFile], project_root_path: Path, test_framework: str
 ) -> tuple[Path, set]:
     import jedi
+    from jedi import settings
+
+    settings.cache_directory = tempfile.mkdtemp(prefix="jedi_cache_")
 
     local_function_to_test_map = set()