fix flaky test (#133)

* fix flaky test

* fix py3.12

* qa

* sleep 0.2

.github/workflows/on-push.yml

@@ -151,6 +151,8 @@ jobs:
         include:
         - python-version: '3.9'
           extra: -ci
+        - python-version: '3.12'
+          extra: -ci
         - python-version: '3.11'
           extra: -integration
 

tests/test_20_encode.py

@@ -1,6 +1,7 @@
 from __future__ import annotations
 
 import datetime
+import pickle
 from typing import Any
 
 import pytest
@@ -100,11 +101,18 @@ def test_filecache_default_error(raise_all_encoding_errors: bool) -> None:
     class Dummy:
         pass
 
+    try:
+        pickle.dumps(Dummy)
+    except Exception as exc:
+        match = str(exc)
+    else:
+        raise ValueError("Did not raise!")
+
     if raise_all_encoding_errors:
-        with pytest.raises(AttributeError, match="Can't pickle local object"):
+        with pytest.raises(AttributeError, match=match):
             encode.filecache_default(Dummy())
     else:
-        with pytest.warns(UserWarning, match="Can't pickle local object"):
+        with pytest.warns(UserWarning, match=match):
             with pytest.raises(encode.EncodeError):
                 encode.filecache_default(Dummy())
 

tests/test_50_io_encoder.py

@@ -173,7 +173,7 @@ def test_io_locker(
     fs.touch(file_path)
     fs.touch(f"{file_path}.lock")
 
-    process = subprocess.Popen(f"sleep 0.1; rm {file_path}.lock", shell=True)
+    process = subprocess.Popen(f"sleep 0.2; rm {file_path}.lock", shell=True)
     with raises_or_warns:
         cached_open(tmpfile)
     assert process.wait() == 0