@Test
public void testGetServices() {

    BundleContext mockBundleContext = new MockBundleContext();
    OSGIServiceLoader loader = new OSGIServiceLoader(mockBundleContext);
    OSGIServiceContext instance = new OSGIServiceContext(loader);
    List services = instance.getServices(Integer.class);
    assertThat(services).isNotNull();
    assertThat(services).isEmpty();
}