Message

Criterion '73f10e36-ed7a-412e-995c-aa76463e3776' MUST have RequirementGroup 'a109e144-f65e-469d-bcda-220f1af34b6c' as child number 1.

Context
ccv:Criterion[cbc:ID[normalize-space(text()) = '73f10e36-ed7a-412e-995c-aa76463e3776']]
Test
ccv:RequirementGroup[1] and normalize-space(ccv:RequirementGroup[1][current()]/cbc:ID/text()) = 'a109e144-f65e-469d-bcda-220f1af34b6c'