perl-Devel-Timer-0.05-2.fc22 fails to build sometimes because 'sort by count' t/test.t test fails randomly:

$ prove -b -v t/test.t 
t/test.t .. 
1..49
ok 1 - use Devel::Timer;
ok 2 - Total time
ok 3 - header
ok 4 - step 0
ok 5 - step 1
ok 6 - step 2
ok 7 - step 3
ok 8 - step 4
ok 9 - step 5
ok 10 - step 6
ok 11 - no step 7
ok 12 - Total time
ok 13 - header
ok 14 - A -> B
ok 15 - B -> C
ok 16 - B -> A
ok 17 - INIT -> A
ok 18 - order by time descending
ok 19 - Total time
ok 20 - header
ok 21 - A -> B
ok 22 - B -> C
ok 23 - B -> A
ok 24 - INIT -> A
not ok 25 - sort by count

#   Failed test 'sort by count'
#   at t/test.t line 73.
ok 26 - get_stats('A', 'B')
ok 27 - $time
ok 28 - $time
ok 29 - $percent
ok 30 - $percent
ok 31 - $count
ok 32 - get_stats('B', 'A')
ok 33 - $time
ok 34 - $time
ok 35 - $percent
ok 36 - $percent
ok 37 - $count
ok 38 - get_stats('B', 'C')
ok 39 - $time
ok 40 - $time
ok 41 - $percent
ok 42 - $percent
ok 43 - $count
ok 44 - get_stats('INIT', 'A')
ok 45 - $time
ok 46 - $time
ok 47 - $percent
ok 48 - $percent
ok 49 - $count
# Looks like you failed 1 test of 49.
Dubious, test returned 1 (wstat 256, 0x100)
Failed 1/49 subtests 

Test Summary Report
-------------------
t/test.t (Wstat: 256 Tests: 49 Failed: 1)
  Failed test:  25
  Non-zero exit status: 1