diff --git a/test/adapter/xml/test_xml_deserialization.py b/test/adapter/xml/test_xml_deserialization.py
index 360efe612..9310e4462 100644
--- a/test/adapter/xml/test_xml_deserialization.py
+++ b/test/adapter/xml/test_xml_deserialization.py
@@ -51,7 +51,7 @@ def _assertInExceptionAndLog(self, xml: str, strings: Union[Iterable[str], str],
             read_aas_xml_file(bytes_io, failsafe=False)
         cause = _root_cause(err_ctx.exception)
         for s in strings:
-            self.assertIn(s, log_ctx.output[0])
+            self.assertIn(s, log_ctx.output[0])  # type: ignore
             self.assertIn(s, str(cause))
 
     def test_malformed_xml(self) -> None:
@@ -255,7 +255,7 @@ def test_operation_variable_too_many_submodel_elements(self) -> None:
         """)
         with self.assertLogs(logging.getLogger(), level=logging.WARNING) as context:
             read_aas_xml_file(io.BytesIO(xml.encode("utf-8")), failsafe=False)
-        self.assertIn("aas:value", context.output[0])
+        self.assertIn("aas:value", context.output[0])  # type: ignore
         self.assertIn("more than one submodel element", context.output[0])
 
     def test_duplicate_identifier(self) -> None: