fix sb test for 313

Author: hallvictoria

azurefunctions-extensions-bindings-servicebus/tests/test_servicebus.py

@@ -2,6 +2,7 @@
 #  Licensed under the MIT License.
 
 import unittest
+import sys
 from typing import List, Optional
 
 
@@ -144,10 +145,23 @@ def test_input_invalid_datum_type(self):
             "Unexpected type of data received for the 'servicebus' binding: 'str'",
         )
 
+    @unittest.skipIf(sys.version_info.minor >= 13, "Python 3.13"
+                                                   " throws a different error.")
     def test_input_get_decoded_message_ex(self):
         with self.assertRaises(ValueError) as e:
             _ = get_decoded_message("Invalid message")
         self.assertEqual(
             e.exception.args[0],
             "Failed to decode ServiceBus content: must be str, not bytes",
         )
+
+    @unittest.skipIf(sys.version_info.minor < 13, "Python 3.13"
+                                                  " throws a different error.")
+    def test_input_get_decoded_message_ex_313(self):
+        with self.assertRaises(ValueError) as e:
+            _ = get_decoded_message("Invalid message")
+        self.assertEqual(
+            e.exception.args[0],
+            "Failed to decode ServiceBus content: "
+            "find() argument 1 must be str, not bytes",
+        )