Adjust TypeError message to Python 3.15

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### Description
The `.fromisoformat()` error message tested in `test_no_string()` changed in Python 3.15, this fixes the test.

See #13308 for the `rel_2_0` branch.

### Checklist
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This pull request is:

- [ ] A documentation / typographical / small typing error fix
	- Good to go, no issue or tests are needed
- [x] A short code fix (in a test, therefore I didn’t create an issue)
	- please include the issue number, and create an issue if none exists, which
	  must include a complete example of the issue.  one line code fixes without an
	  issue and demonstration will not be accepted.
	- Please include: `Fixes: #<issue number>` in the commit message
	- please include tests.   one line code fixes without tests will not be accepted.
- [ ] A new feature implementation
	- please include the issue number, and create an issue if none exists, which must
	  include a complete example of how the feature would look.
	- Please include: `Fixes: #<issue number>` in the commit message
	- please include tests.

**Have a nice day!**

Closes: #13307
Pull-request: https://github.com/sqlalchemy/sqlalchemy/pull/13307
Pull-request-sha: 90bc13fc416ea45ba5429d5f8ecffc24b108c1b1

Change-Id: I461d71b0fad18fa4f108102bb1c22c0e980fc70e
(cherry picked from commit f07ad99839105f254df4e640ab851bcc6910168c)

diff --git a/test/engine/test_processors.py b/test/engine/test_processors.py
index 4f06f772add5c001b5347c05b11b100c53334880..e2bb50a2c9929850843ad3f5c5199dfc6aaf718f 100644 (file)
--- a/test/engine/test_processors.py
+++ b/test/engine/test_processors.py
@@ -73,13 +73,13 @@ class _DateProcessorTest(fixtures.TestBase):
 
         eq_(self.module.str_to_date("2022-04-03"), datetime.date(2022, 4, 3))
 
-    def test_date_no_string(self):
-        assert_raises_message(
-            TypeError,
-            "fromisoformat: argument must be str",
-            self.module.str_to_date,
-            2012,
-        )
+    @combinations("str_to_datetime", "str_to_time", "str_to_date")
+    def test_no_string(self, meth):
+        with expect_raises_message(
+            TypeError, r"fromisoformat.* argument must be str"
+        ):
+            fn = getattr(self.module, meth)
+            fn(2012)
 
     def test_datetime_no_string_custom_reg(self):
         assert_raises_message(