@Test
public void handleInterfaceAnnotationShouldFillMethodsProducesWithFirstAnnotationValue() throws Exception {

    when(mockAnnotation.value()).thenReturn(new String[]{"a","b"});
    when(mockInterfaceConfigBuilder.setMethodsProduces("a")).thenReturn(mockInterfaceConfigBuilder);
    toTest.handleInterfaceAnnotation(mockAnnotation, mockInterfaceConfigBuilder);
    verify(mockAnnotation, times(2)).value();
    verify(mockInterfaceConfigBuilder).setMethodsProduces("a");
}