diff --git a/tests/test_utils/test_utils_mse.py b/tests/test_utils/test_utils_mse.py
index 233854f6..87541e46 100644
--- a/tests/test_utils/test_utils_mse.py
+++ b/tests/test_utils/test_utils_mse.py
@@ -137,6 +137,7 @@ class TestUtilsModuleStreamExpansion:
         self._make_module("foo:2:0:c5", {"platform": ["f29"]}, {})
         self._make_module("platform:f28:0:c10", {}, {})
         self._make_module("platform:f29:0:c11", {}, {})
+        self._make_module("app:1:0:c6", {"platform": ["f29"]}, {})
 
     def test_generate_expanded_mmds_context(self):
         self._generate_default_modules()
@@ -206,6 +207,14 @@ class TestUtilsModuleStreamExpansion:
              set([
                  frozenset(['gtk:1'])
              ])),
+
+            ({}, {"app": ["1"]}, False,
+             set([
+                 frozenset(['app:1:0:c6', 'platform:f29:0:c11'])
+             ]),
+             set([
+                 frozenset([])
+             ])),
         ])
     def test_generate_expanded_mmds_buildrequires(
             self, requires, build_requires, stream_ambigous, expected_xmd,