Message

Criterion '90a2e100-44cc-45d3-9970-69d6714f1596' MUST have RequirementGroup '488ca189-bcdb-4bf4-80c7-3ad507fd89fb' as child number 1.

Context
ccv:Criterion[cbc:ID[normalize-space(text()) = '90a2e100-44cc-45d3-9970-69d6714f1596']]
Test
ccv:RequirementGroup[1] and normalize-space(ccv:RequirementGroup[1][current()]/cbc:ID/text()) = '488ca189-bcdb-4bf4-80c7-3ad507fd89fb'