I think for it to be a test of pure ego depletion, the thing you were unable to resist would have to be unrelated to the thing you forced yourself to do. Where

I think for it to be a test of pure ego depletion, the thing you were unable to resist would have to be unrelated to the thing you forced yourself to do. Whereas 'hunger' or 'I just did something healthy' could both lead one to choose post-gym pizza without needing an ego depletion concept to explain it.