Fixed failing tests.

NestedDummySerializable's constructor now passed the registry argument through to superclass.

Signed-off-by: Lukas Prediger <lukas.prediger@rwth-aachen.de>

tests/serialization_tests.py

@@ -511,9 +511,9 @@ def get_expected():
         self.assertEqual(get_expected(), self.backend.stored_items)
 
     def test_write_through_does_not_overwrite_subpulses(self) -> None:
-        previous_inner = DummySerializable(identifier='my_id_1', data='hey')
-        inner_instance = DummySerializable(identifier='my_id_1', data='ho')
-        outer_instance = NestedDummySerializable(inner_instance, identifier='my_id_2')
+        previous_inner = DummySerializable(identifier='my_id_1', data='hey', registry=dict())
+        inner_instance = DummySerializable(identifier='my_id_1', data='ho', registry=dict())
+        outer_instance = NestedDummySerializable(inner_instance, identifier='my_id_2', registry=dict())
 
         self.storage['my_id_1'] = previous_inner
         with self.assertRaises(RuntimeError):
@@ -528,9 +528,9 @@ def test_write_through_does_not_overwrite_subpulses(self) -> None:
 
     def test_failed_overwrite_does_not_leave_subpulses(self) -> None:
         inner_named = DummySerializable(data='bar', identifier='inner')
-        inner_known = DummySerializable(data='bar', identifier='known')
+        inner_known = DummySerializable(data='bar', identifier='known', registry=dict())
         outer = DummySerializable(data=[inner_named, inner_known], identifier='outer')
-        inner_known_previous = DummySerializable(data='b38azodhg', identifier='known')
+        inner_known_previous = DummySerializable(data='b38azodhg', identifier='known', registry=dict())
 
         self.storage['known'] = inner_known_previous
 
@@ -673,9 +673,9 @@ def get_serialization_data(self):
         self.assertIs(storage['known'], inner_known)
 
     def test_encoding_duplicated_id(self):
-        inner_named = DummySerializable(data='bar', identifier='inner')
-        inner_known = DummySerializable(data='bar', identifier='known')
-        inner_known_previous = DummySerializable(data='abh3h8ga', identifier='known')
+        inner_named = DummySerializable(data='bar', identifier='inner', registry=dict())
+        inner_known = DummySerializable(data='bar', identifier='known', registry=dict())
+        inner_known_previous = DummySerializable(data='abh3h8ga', identifier='known', registry=dict())
 
         outer = DummySerializable(data=[inner_named, inner_known])
 
@@ -702,8 +702,8 @@ def test_encoding_duplicated_id(self):
 
 class NestedDummySerializable(Serializable):
 
-    def __init__(self, data: Serializable, identifier: Optional[str]=None) -> None:
-        super().__init__(identifier)
+    def __init__(self, data: Serializable, identifier: Optional[str]=None, registry: Optional[Dict]=None) -> None:
+        super().__init__(identifier, registry=registry)
         self.data = data
 
     @classmethod