@Test
public void getInstanceMap() {

    SortedMap<String, FactModelTree> sourceMap = getSourceMap();
    SortedMap<String, FactModelTree> retrieved = abstractDataManagementStrategySpy.getInstanceMap(sourceMap);
    assertNotNull(retrieved);
    assertTrue(retrieved.isEmpty());
    abstractDataManagementStrategySpy.setModel(modelLocal);
    retrieved = abstractDataManagementStrategySpy.getInstanceMap(sourceMap);
    assertNotNull(retrieved);
    // " is the number of factmappings - inside modelLocal - whose class is "Void"
    assertEquals(2, retrieved.size());
}