@Test
public void testMultipleProviderServices() throws Exception {

    BundleContext implBC = mockSPIBundleContext(EasyMock.createNiceMock(ServiceRegistration.class));
    Bundle implBundle = mockMultiSPIBundle(implBC);
    Bundle spiBundle = EasyMock.createNiceMock(Bundle.class);
    EasyMock.expect(spiBundle.getBundleId()).andReturn(25l).anyTimes();
    EasyMock.replay(spiBundle);
    ProviderBundleTrackerCustomizer customizer = new ProviderBundleTrackerCustomizer(activator, spiBundle);
    assertEquals(2, customizer.addingBundle(implBundle, null).size());
}