diff --git a/tests/test_extends.py b/tests/test_extends.py
index 8b28cd1..a655be7 100644
--- a/tests/test_extends.py
+++ b/tests/test_extends.py
@@ -3,14 +3,24 @@ import pytest
 from compose_viz.extends import Extends
 
 
-def test_extend_init():
+def test_extend_init_normal():
     try:
         Extends(service_name="frontend", from_file="tests/in/000001.yaml")
+
+        assert True
+    except Exception as e:
+        assert False, e
+
+
+def test_extend_init_without_from_file():
+    try:
         Extends(service_name="frontend")
 
         assert True
     except Exception as e:
         assert False, e
 
+
+def test_extend_init_without_service_name():
     with pytest.raises(TypeError):
         Extends(from_file="tests/in/000001.yaml")  # type: ignore