@Test
public void testAddingNonOptInBundle() throws Exception {

    BundleContext implBC = mockSPIBundleContext(EasyMock.createNiceMock(ServiceRegistration.class));
    Bundle implBundle = mockSPIBundle(implBC, null);
    ProviderBundleTrackerCustomizer customizer = new ProviderBundleTrackerCustomizer(activator, null);
    assertNull("Bundle doesn't opt-in so should be ignored", customizer.addingBundle(implBundle, null));
}