@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_noIssuer() {

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

		String badIssuer = "www.badexample.com";

		ServerConfiguration result = hybridService.getServerConfiguration(badIssuer);

		Mockito.verify(mockStaticService).getServerConfiguration(badIssuer);
		Mockito.verify(mockDynamicService).getServerConfiguration(badIssuer);
		assertThat(result, is(nullValue()));
	}