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: 
TEST 11/14 [3/6 concurrent test workers running]
                                                 
========DIFF========
001- string(%d) "4.%s"
001+ string(7) "5.99.90"
     Done
========DONE========
FAIL Check for RPMVERSION constant [tests/004-constants.phpt] 
This is the diff for the failed test