[tests/model][xs]: correct overly fragile test (depended on dict key ordering).
[tests/model][xs]: correct overly fragile test (depended on dict key ordering).

--HG--
extra : rebase_source : f47061830aca5eba08b04504a750255c717a4bc1

openannotation/annotator-store,nobita-isc/annotator-store,nobita-isc/annotator-store,nobita-isc/annotator-store,ningyifan/annotator-store,happybelly/annotator-store,nobita-isc/annotator-store