@Test
public void testInitAddsProviderProvider() {

    verify(m_deviceManager, never()).addDeviceStateProvider(m_defaultConfigService);
    verify(m_deviceManager, never()).removeDeviceStateProvider(m_defaultConfigService);
    m_defaultConfigService.init();
    verify(m_deviceManager).addDeviceStateProvider(m_defaultConfigService);
    verify(m_deviceManager, never()).removeDeviceStateProvider(m_defaultConfigService);
}