@Test
public void handleParameterAnnotationShouldFillDefaultValueWithAnnotationValue() throws Exception {

    when(mockAnnotation.value()).thenReturn("a");
    when(mockParamConfigBuilder.setDefaultValue("a")).thenReturn(mockParamConfigBuilder);
    toTest.handleParameterAnnotation(mockAnnotation, mockParamConfigBuilder);
    verify(mockAnnotation).value();
    verify(mockParamConfigBuilder).setDefaultValue("a");
}