Refs #26022 -- Used context manager version of assertRaisesMessage in tests.

1 files changed, 4 insertions, 4 deletions

diff --git a/tests/utils_tests/test_datastructures.py b/tests/utils_tests/test_datastructures.py
index d151f12bb5..c90ef470bb 100644
--- a/tests/utils_tests/test_datastructures.py
+++ b/tests/utils_tests/test_datastructures.py
@@ -108,8 +108,8 @@ class ImmutableListTests(SimpleTestCase):
         d = ImmutableList(range(10))
 
         # AttributeError: ImmutableList object is immutable.
-        self.assertRaisesMessage(AttributeError,
-            'ImmutableList object is immutable.', d.sort)
+        with self.assertRaisesMessage(AttributeError, 'ImmutableList object is immutable.'):
+            d.sort()
 
         self.assertEqual(repr(d), '(0, 1, 2, 3, 4, 5, 6, 7, 8, 9)')
 
@@ -119,8 +119,8 @@ class ImmutableListTests(SimpleTestCase):
         self.assertEqual(d[1], 1)
 
         # AttributeError: Object is immutable!
-        self.assertRaisesMessage(AttributeError,
-            'Object is immutable!', d.__setitem__, 1, 'test')
+        with self.assertRaisesMessage(AttributeError, 'Object is immutable!'):
+            d.__setitem__(1, 'test')
 
 
 class DictWrapperTests(SimpleTestCase):