diff --git a/src/test/python/domain/test_devops_factory.py b/src/test/python/domain/test_devops_factory.py
index ceb12a1..b9f4008 100644
--- a/src/test/python/domain/test_devops_factory.py
+++ b/src/test/python/domain/test_devops_factory.py
@@ -7,7 +7,7 @@ from src.main.python.ddadevops.domain import (
 )
 
 
-def test_devops_factory():
+def test_devops_creation():
     with pytest.raises(Exception):
         DevopsFactory().build_devops({"build_types": ["NOTEXISTING"]})
 
@@ -66,3 +66,8 @@ def test_devops_factory():
     )
     assert sut is not None
     assert sut.mixins[MixinType.RELEASE] is not None
+
+
+def test_on_merge_input_should_win():
+    sut = DevopsFactory()
+    assert {'tag': 'inp'} == sut.merge(inp = {'tag': 'inp'}, context = {'tag': 'context'}, authorization={})