@Override
	public ServerConfiguration getServerConfiguration(String issuer) {
		ServerConfiguration server = staticServerService.getServerConfiguration(issuer);
		if (server != null) {
			return server;
		} else {
			return dynamicServerService.getServerConfiguration(issuer);
		}
	}
@Test
	public void getServerConfiguration_useStatic() {

		Mockito.when(mockStaticService.getServerConfiguration(issuer)).thenReturn(mockServerConfig);

		ServerConfiguration result = hybridService.getServerConfiguration(issuer);

		Mockito.verify(mockStaticService).getServerConfiguration(issuer);
		Mockito.verify(mockDynamicService, Mockito.never()).getServerConfiguration(Matchers.anyString());
		assertEquals(mockServerConfig, result);
	}