Map<Integer, String> target = prepareMap();
MapWrapper wrapper = prepareMapWrapper(target);
when(proxifier.removeProxy(1)).thenReturn(1);
wrapper.remove(1);
DirtyChecker dirtyChecker = dirtyMap.get(setter);
assertThat(dirtyChecker.getPropertyMeta()).isEqualTo(propertyMeta);
DirtyCheckChangeSet changeSet = dirtyChecker.getChangeSets().get(0);
assertThat(changeSet.getChangeType()).isEqualTo(REMOVE_FROM_MAP);
assertThat(changeSet.getPropertyMeta()).isEqualTo(propertyMeta);
assertThat(changeSet.getRawMapChanges()).hasSize(1)
.contains(entry(1, null));