diff --git a/tests/test_utils.py b/tests/test_utils.py
index 66f8b1ee..282b2ab7 100644
--- a/tests/test_utils.py
+++ b/tests/test_utils.py
@@ -6,14 +6,14 @@ from utils import make_fake_message
 def test_dataclass_encoder():
     from nonebot.utils import DataclassEncoder
 
-    MessageSegment = make_fake_message().get_segment_class()
-    ms = MessageSegment.node_custom(
-        "1234", "testtest", "test" + MessageSegment.image("url")
-    )
+    simple = json.dumps("123", cls=DataclassEncoder)
+    assert simple == '"123"'
+
+    Message = make_fake_message()
+    MessageSegment = Message.get_segment_class()
+    ms = MessageSegment.nested(Message(MessageSegment.text("text")))
     s = json.dumps(ms, cls=DataclassEncoder)
     assert (
         s
-        == '{"type": "node", "data": {"user_id": "1234", "nickname": "testtest", "content": [{"type": "text", "data": {"text": "test"}}, {"type": "image", "data": {"url": "url"}}]}}'
+        == '{"type": "node", "data": {"content": [{"type": "text", "data": {"text": "text"}}]}}'
     )
-    s1 = json.dumps("123", cls=DataclassEncoder)
-    assert s1 == '"123"'
diff --git a/tests/utils.py b/tests/utils.py
index e33ce5be..31939be7 100644
--- a/tests/utils.py
+++ b/tests/utils.py
@@ -33,14 +33,8 @@ def make_fake_message():
             return FakeMessageSegment("image", {"url": url})
 
         @staticmethod
-        def node_custom(
-            user_id: str,
-            nickname: str,
-            content: Union["FakeMessage", "FakeMessageSegment", str],
-        ):
-            return FakeMessageSegment(
-                "node", {"user_id": user_id, "nickname": nickname, "content": content}
-            )
+        def nested(content: "FakeMessage"):
+            return FakeMessageSegment("node", {"content": content})
 
         def is_text(self) -> bool:
             return self.type == "text"