diff --git a/tests/Settings/TestGlobalStack.py b/tests/Settings/TestGlobalStack.py
index 31bca56651..ad0552db92 100644
--- a/tests/Settings/TestGlobalStack.py
+++ b/tests/Settings/TestGlobalStack.py
@@ -5,21 +5,35 @@ import os.path #To find the test files.
 import pytest #This module contains unit tests.
 import unittest.mock #To monkeypatch some mocks in place of dependencies.
 
-from cura.Settings.GlobalStack import GlobalStack #The module we're testing.
+import cura.Settings.GlobalStack #The module we're testing.
 from UM.Settings.DefinitionContainer import DefinitionContainer #To test against the class DefinitionContainer.
 import UM.Settings.ContainerRegistry
+import UM.Settings.ContainerStack
+
+##  Fake container registry that always provides all containers you ask of.
+@pytest.fixture()
+def container_registry():
+    registry = unittest.mock.MagicMock()
+    def findContainers(id = None):
+        if not id:
+            return [UM.Settings.ContainerRegistry._EmptyInstanceContainer("test_container")]
+        else:
+            return [UM.Settings.ContainerRegistry._EmptyInstanceContainer(id)]
+    registry.findContainers = findContainers
+    return registry
 
 ##  Tests whether the user changes are being read properly from a global stack.
 @pytest.mark.parametrize("filename, user_changes_id", [
                         ("Global.global.cfg", "empty"),
                         ("Global.stack.cfg", "empty"),
                         ("MachineLegacy.stack.cfg", "empty"),
-                        ("OnlyUser.global.cfg", "some_instance") #This one does have a user profile.
+                        ("OnlyUser.global.cfg", "some_instance"), #This one does have a user profile.
+                        ("Complete.global.cfg", "some_user_changes")
 ])
-def test_deserializeUserChanges(filename, user_changes_id):
+def test_deserializeUserChanges(filename, user_changes_id, container_registry):
     with open(os.path.join(os.path.dirname(os.path.abspath(__file__)), "stacks", filename)) as file_handle:
         serialized = file_handle.read()
-    stack = GlobalStack("TestStack")
+    stack = cura.Settings.GlobalStack.GlobalStack("TestStack")
 
     #Mock the loading of the instances.
     def findContainer(container_id = "*", container_type = None, type = None, category = "*"):
@@ -28,6 +42,7 @@ def test_deserializeUserChanges(filename, user_changes_id):
         if container_type == DefinitionContainer:
             return unittest.mock.MagicMock()
     stack.findContainer = findContainer
+    UM.Settings.ContainerStack._containerRegistry = container_registry #Always has all profiles you ask of.
 
     stack.deserialize(serialized)
 
diff --git a/tests/Settings/stacks/Complete.global.cfg b/tests/Settings/stacks/Complete.global.cfg
new file mode 100644
index 0000000000..f7f613991a
--- /dev/null
+++ b/tests/Settings/stacks/Complete.global.cfg
@@ -0,0 +1,13 @@
+[general]
+version = 3
+name = Complete
+id = Complete
+
+[containers]
+0 = some_user_changes
+1 = some_quality_changes
+2 = some_quality
+3 = some_material
+4 = some_variant
+5 = some_definition_changes
+6 = some_definition