Log Message:
Update p5-Test-Warnings to 0.026.

0.026     2016-01-27 03:13:25Z
          - fixed use of modules loaded by t/zzz-check-breaks.t
          - fix stderr suppression on perl 5.6

0.025     2016-01-24 02:59:28Z
          - prereqs lowered from required to suggested:
            - CPAN::Meta::Check
            - CPAN::Meta::Requirements
          - tests are now quieter to avoid causing confusion, by suppressing
            the printing of stderr in tests