@Test
public void testAddingBundleSPIBundle() throws Exception {

    BundleContext implBC = mockSPIBundleContext(EasyMock.createNiceMock(ServiceRegistration.class));
    Bundle spiBundle = mockSPIBundle(implBC);
    ProviderBundleTrackerCustomizer customizer = new ProviderBundleTrackerCustomizer(activator, spiBundle);
    assertNull("The SpiFly bundle itself should be ignored", customizer.addingBundle(spiBundle, null));
}