@Test
public void handleInterfaceAnnotationShouldSetMethodsCharset() throws Exception {

    when(mockAnnotation.value()).thenReturn(Values.ISO_8859_1_STR);
    toTest.handleInterfaceAnnotation(mockAnnotation, mockInterfaceConfigBuilder);
    verify(mockAnnotation).value();
    verify(mockInterfaceConfigBuilder).setMethodsCharset(Values.ISO_8859_1);
}