perl-AutoClass-1_01-20.fc21 fails to build randomly because tests fail sometimes like this:

PERL_DL_NONLAZY=1 /usr/bin/perl "-MExtUtils::Command::MM" "-MTest::Harness" "-e" "undef *Test::Harness::Switches; test_harness(0, 'blib/lib', 'blib/arch')" t/*.t
t/AutoArgsTest.t ....... ok
t/AutoClassTest.t ...... ok
t/classvarTest.t ....... ok
t/defaultTest.t ........ 1/? # Tests for handling of defaults with  synonyms. Parent only
# Tests for handling of defaults with  synonyms. Parent and Child
t/defaultTest.t ........ ok
t/nullify.t ............ ok
t/override.t ........... ok
t/RootTest.t ........... ok
t/synonym.t ............ ok
t/testCase.t ........... 1/? # test setting attributes from defaults
# test setting attributes from arguments
t/testCase.t ........... ok
t/testInconsistent.t ... 1/?
#   Failed test 'use testInconsistent2 found expected inconsistencies'
#   at t/testInconsistent.t line 13.
#                   'Inconsistent declarations for attribute(s) b a
#       Attribute b: declared instance attribute in testInconsistent2, class attribute in testInconsistent1
#       Attribute a: declared instance attribute in testInconsistent1, class attribute in testInconsistent2 at /home/test/fedora/perl-AutoClass/AutoClass/blib/lib/Class/AutoClass.pm line 540.
#       Class::AutoClass::declare("testInconsistent2") called at t/testInconsistent2.pm line 12
#       require testInconsistent2.pm called at (eval 11) line 2
#       main::BEGIN() called at t/testInconsistent2.pm line 0
#       eval {...} called at t/testInconsistent2.pm line 0
#       eval 'use testInconsistent2' called at t/testInconsistent.t line 12
# Compilation failed in require at (eval 11) line 2.
# BEGIN failed--compilation aborted at (eval 11) line 2.
# '
#     doesn't match '(?^:^Inconsistent declarations for attribute\(s\) a b)'
# Looks like you failed 1 test of 2.
t/testInconsistent.t ... Dubious, test returned 1 (wstat 256, 0x100)
Failed 1/2 subtests
t/testNoAutoClass.t .... ok
t/testNoUseParent.t .... ok
t/testSynonyms2.t ...... ok
t/testUseOutOfOrder.t .. ok

Test Summary Report
-------------------
t/testInconsistent.t (Wstat: 256 Tests: 2 Failed: 1)
  Failed test:  2
  Non-zero exit status: 1
Files=14, Tests=362,  2 wallclock secs ( 0.17 usr  0.15 sys +  0.85 cusr  0.58 csys =  1.75 CPU)
Result: FAIL