AT:

• given:
  • I create single reports A and B
  • I create a combined report X containing A and B
• when:
  • I update report A such that it does not fit according the properties of a report that can be added to a combined report (e.g. change it to a single number report)
• then:
  • The evaluation of X contains only B
  • The retrieval of X contains only B as an embedded report