@Test
public void testEmptyContext() {

    MapBackedDMNContext ctx1 = MapBackedDMNContext.of(new HashMap<>(Collections.emptyMap()));
    testCloneAndAlter(ctx1, Collections.emptyMap(), Collections.emptyMap());
    MapBackedDMNContext ctx2 = MapBackedDMNContext.of(new HashMap<>(Collections.emptyMap()));
    testPushAndPopScope(ctx2, Collections.emptyMap(), Collections.emptyMap());
}