Add test case for exception groups

Author: knutwannheden

rewrite/tests/python/py311/trystar_test.py

@@ -0,0 +1,19 @@
+import pytest
+
+from rewrite.test import rewrite_run, python
+
+
+# noinspection PyCompatibility
+@pytest.mark.xfail(reason="Exception groups are not yet supported", strict=True)
+def test_with_parentheses():
+    # language=python
+    rewrite_run(
+        python(
+            """\
+            try:
+                foo()
+            except* Exception:
+                pass
+            """
+        )
+    )

rewrite/tox.ini

@@ -1,5 +1,5 @@
 [tox]
-envlist = py3.9, py3.12
+envlist = py3.9, py3.11, py3.12
 
 [testenv]
 deps =
@@ -14,6 +14,11 @@ basepython = python3.9
 commands =
     poetry run pytest tests/python/all
 
+[testenv:py3.11]
+basepython = python3.11
+commands =
+    poetry run pytest tests/python/all tests/python/py311
+
 [testenv:py3.12]
 basepython = python3.12
 commands =