fix: use pytest.deprecated_call context manager

Author: AbduazizZiyodov

pyproject.toml

@@ -228,8 +228,6 @@ filterwarnings = [
   'ignore:You are using cryptography on a 32-bit Python on a 64-bit Windows Operating System. Cryptography will be significantly faster if you switch to using a 64-bit Python.:UserWarning',
   # https://github.com/berkerpeksag/astor/issues/217
   'ignore:ast.Num is deprecated:DeprecationWarning:astor',
-  'ignore::DeprecationWarning:trio._tests.test_testing_raisesgroup',
-  'ignore::DeprecationWarning:trio._tests.test_util'
 ]
 junit_family = "xunit2"
 markers = ["redistributors_should_skip: tests that should be skipped by downstream redistributors"]

src/trio/_tests/test_testing_raisesgroup.py

@@ -7,7 +7,9 @@
 import pytest
 
 import trio
-from trio.testing import Matcher, RaisesGroup
+
+with pytest.deprecated_call():
+    from trio.testing import Matcher, RaisesGroup
 from trio.testing._raises_group import repr_callable
 
 if sys.version_info < (3, 11):
@@ -1107,7 +1109,7 @@ def test__ExceptionInfo(monkeypatch: pytest.MonkeyPatch) -> None:
         "ExceptionInfo",
         trio.testing._raises_group._ExceptionInfo,
     )
-    with trio.testing.RaisesGroup(ValueError) as excinfo:
+    with RaisesGroup(ValueError) as excinfo:
         raise ExceptionGroup("", (ValueError("hello"),))
     assert excinfo.type is ExceptionGroup
     assert excinfo.value.exceptions[0].args == ("hello",)

src/trio/_tests/test_util.py

@@ -9,7 +9,9 @@
 import pytest
 
 import trio
-from trio.testing import Matcher, RaisesGroup
+
+with pytest.deprecated_call():
+    from trio.testing import Matcher, RaisesGroup
 
 from .. import _core
 from .._core._tests.tutil import (