diff --git a/scaleway/scaleway/instance/v1/test_user_data.py b/scaleway/scaleway/instance/v1/test_user_data.py
new file mode 100644
index 00000000..fa739c16
--- /dev/null
+++ b/scaleway/scaleway/instance/v1/test_user_data.py
@@ -0,0 +1,47 @@
+import sys
+import unittest
+import logging
+from typing import Dict
+
+from scaleway_core.client import Client
+from .custom_api import InstanceUtilsV1API
+
+logger = logging.getLogger()
+logger.level = logging.DEBUG
+stream_handler = logging.StreamHandler(sys.stdout)
+logger.addHandler(stream_handler)
+
+
+class TestServerUserData(unittest.TestCase):
+    def setUp(self) -> None:
+        self.client = Client()
+        self.instance_api = InstanceUtilsV1API(self.client, bypass_validation=True)
+        self.server = self.instance_api._create_server(
+            commercial_type="DEV1-S",
+            zone="fr-par-1",
+            image="ubuntu_jammy",
+            name="my-server-web",
+            volumes={},
+        )
+
+    def test_set_and_get_server_user_data(self) -> None:
+        key = "hello"
+        content = b"\x89PNG\r\n\x1a\n\x00\x00\x00\rIHDR\x00\x00\x00\x10"
+        self.instance_api.set_server_user_data(
+            server_id=self.server.server.id, key=key, content=content
+        )
+        user_data = self.instance_api.get_server_user_data(server_id=self.server.server.id, key=key)
+        self.assertIsNotNone(user_data)
+
+    def test_set_and_get_all_user_data(self):
+        key = "hello"
+        key_bis = "second key"
+        content_bis = b"test content"
+        another_key = "third key"
+        another_content = b"another content to test"
+        content = b"you should"
+
+        user_data: Dict[str, bytes] = {key_bis:content_bis, another_key:another_content, key:content}
+        self.instance_api.set_all_server_user_data(server_id=self.server.server.id, user_data=user_data)
+        response = self.instance_api.get_all_server_user_data(server_id=self.server.server.id)
+        self.assertIsNotNone(response)
diff --git a/scaleway/scaleway/instance/v1/tests.py b/scaleway/scaleway/instance/v1/tests.py
deleted file mode 100644
index e69de29b..00000000