feat(pytest): strip ansi codes from errors

neotest_python/pytest.py

@@ -1,6 +1,7 @@
 from io import StringIO
 import json
 from pathlib import Path
+import re
 from typing import Callable, Dict, List, Optional, Union
 
 import pytest
@@ -10,6 +11,7 @@ from _pytest.fixtures import FixtureLookupErrorRepr
 
 from .base import NeotestAdapter, NeotestError, NeotestResult, NeotestResultStatus
 
+ANSI_ESCAPE = re.compile(r'\x1B(?:[@-Z\\-_]|\[[0-?]*[ -/]*[@-~])')
 
 class PytestNeotestAdapter(NeotestAdapter):
     def __init__(self, emit_parameterized_ids: bool):
@@ -131,7 +133,7 @@ class NeotestResultCollector:
                 errors.append({"message": msg_prefix + exc_repr, "line": None})
             # Test failed internally
             elif isinstance(exc_repr, ExceptionRepr):
-                error_message = exc_repr.reprcrash.message  # type: ignore
+                error_message = ANSI_ESCAPE.sub('', exc_repr.reprcrash.message)  # type: ignore
                 error_line = None
                 for traceback_entry in reversed(call.excinfo.traceback):
                     if str(traceback_entry.path) == abs_path: