use strictures as the front anchor, for consistency with [CheckLib] tests
Dist::Zilla::Plugin::ModuleBuildTiny::Fallback 0.010 allows plugins to munge the MBT-produced Build.PL, resulting in the new content also being moved

e.g.
http://www.cpantesters.org/cpan/report/58958204-6491-11e4-9e92-a66187a63384
Dist-Zilla-Plugin-CheckBin-0.006

          - fix optional tests of interaction with
            [ModuleBuildTiny::Fallback] that broke with its newest release