@Test
public void handleInterfaceAnnotationShouldSetParamsSerializer() throws Exception {

    when(mockAnnotation.value()).thenReturn((Class)ToStringSerializer.class);
    toTest.handleInterfaceAnnotation(mockAnnotation, mockInterfaceConfigBuilder);
    verify(mockAnnotation).value();
    verify(mockInterfaceConfigBuilder).setParamsSerializer(ToStringSerializer.class);
}