Enabled uvloop to be used in the test suite on Python 3.13

The pre-release version now works properly on 3.13.

Author: agronholm

pyproject.toml

@@ -53,8 +53,8 @@ test = [
     "pytest-mock >= 3.6.1",
     "trustme",
     """\
-    uvloop >= 0.17; platform_python_implementation == 'CPython' \
-    and platform_system != 'Windows' and python_version < '3.13'\
+    uvloop >= 0.21.0b1; platform_python_implementation == 'CPython' \
+    and platform_system != 'Windows'\
     """
 ]
 doc = [

tests/test_subprocesses.py

@@ -285,9 +285,9 @@ async def test_py39_arguments(
                 [sys.executable, "-c", "print('hello')"],
                 **{argname: argvalue_factory()},
             )
-        except TypeError as exc:
+        except ValueError as exc:
             if (
-                "unexpected keyword argument" in str(exc)
+                "unexpected kwargs" in str(exc)
                 and anyio_backend_name == "asyncio"
                 and anyio_backend_options["loop_factory"]
                 and anyio_backend_options["loop_factory"].__module__ == "uvloop"