ContentElement getValue is not mocked properly in io.wcm.testing (UnsupportedOperationException)

[naxtyn__1]

Hi Community, 

I'm currently creating a Unit Test that uses the Object Content Element, coming from the content fragment.getElements().

I'm currently using Junit5 to create my Unit Tests and the io.wcm.testing framework. 

I was checking the mocked class for the ContentElement that is inside that package, and I found that this method getValue() is always throwing this exception:

class MockContentFragment_ContentElement_Structured extends MockContentFragment_Versionable implements ContentElement {
    public FragmentData getValue() {
        throw new UnsupportedOperationException();
    }
}

So, when I try to do the following behaviour, I always get this exception: 

while(contentElement.hasNext()) {
    ContentElement contentElementObject = contentElement.next();
    FragmentData value = contentElementObject.getValue(); <---- Exception (So test failed)
    String fieldName = contentElementObject.getName();
        String fieldValue = getValueFromBranch(fullBranch, fieldName);
        value.setValue(fieldValue);
        contentElementObject.setValue(value);
}

Do you know if there is any way I can fake the getValue() output to continue with fake data within the test?

This is the Content Element class:

@ProviderType
public interface ContentElement extends Adaptable, Versionable {
    Iterator<ContentVariation> getVariations();

    @Nullable
    ContentVariation getVariation(String var1);

    ContentVariation createVariation(VariationTemplate var1) throws ContentFragmentException;

    void removeVariation(ContentVariation var1) throws ContentFragmentException;

    ContentVariation getResolvedVariation(String var1);

    String getName();

    String getTitle();

    FragmentData getValue();

    void setValue(FragmentData var1) throws ContentFragmentException;

    String getContent();

    String getContentType();

    void setContent(String var1, String var2) throws ContentFragmentException;
}