}
@Test
public void testCollectionOSGiModelField() throws Exception {
ServiceReference ref1 = mock(ServiceReference.class);
ServiceInterface service1 = mock(ServiceInterface.class);
when(bundleContext.getService(ref1)).thenReturn(service1);
ServiceReference ref2 = mock(ServiceReference.class);
ServiceInterface service2 = mock(ServiceInterface.class);
when(bundleContext.getService(ref2)).thenReturn(service2);
when(bundleContext.getServiceReferences(ServiceInterface.class.getName(), null)).thenReturn(
new ServiceReference[] { ref1, ref2 });