diff --git a/tests/test_pydantic_models.py b/tests/test_pydantic_models.py
index 3aaeed4c..e6f96729 100644
--- a/tests/test_pydantic_models.py
+++ b/tests/test_pydantic_models.py
@@ -9,6 +9,7 @@
 from annofabapi.pydantic_models.simple_annotation import SimpleAnnotation
 from annofabapi.pydantic_models.single_annotation import SingleAnnotation
 from annofabapi.pydantic_models.task import Task
+from annofabapi.pydantic_models.task_history import TaskHistory
 
 inifile = configparser.ConfigParser()
 inifile.read("./pytest.ini", "UTF-8")
@@ -35,6 +36,21 @@ def test__Task():
     Task.from_dict(task)
 
 
+def test__TaskHistory():
+    content, _ = service.api.get_task_histories(project_id, task_id)
+    TaskHistory.from_dict(content[0])
+
+
+# swagger.yamlの定義が間違っているためエラーが発生する
+# swagger.yamlの定義が修正されるまでコメントアウトする
+# def test__Comment():
+#     with tempfile.NamedTemporaryFile() as temp_file:
+#         service.wrapper.download_project_comments_url(project_id, temp_file.name)
+#         with open(temp_file.name) as f:
+#             comments = json.load(f)
+#     Comment.from_dict(comments[0])
+
+
 def test__InputData():
     content, _ = service.api.get_input_data_list(project_id)
     input_data = content["list"][0]