Analyse following RPM build log snippet. Describe contents accurately, without speculation or suggestions for resolution.            
Your analysis must be as concise as possible, while keeping relevant information intact.
Snippet: 
error: Bad exit status from /var/tmp/rpm-tmp.NbLFbP (%check)
Tests are the part of the %check section of the rpm build. The tests failed, ergo the %check section was the one where the build failure happened.