[Perl/perl5] 81c73c: Fix t/test.pl and t/TEST to be strict compliant.

[Todd Rinaldo via perl5-changes]

  Branch: refs/heads/blead
  Home:   https://github.com/Perl/perl5
  Commit: 81c73c1114c366c813689c351023a3f2cc39e50d
      
https://github.com/Perl/perl5/commit/81c73c1114c366c813689c351023a3f2cc39e50d
  Author: Todd Rinaldo <to...@cpan.org>
  Date:   2020-10-13 (Tue, 13 Oct 2020)

  Changed paths:
    M t/TEST
    M t/test.pl

  Log Message:
  -----------
  Fix t/test.pl and t/TEST to be strict compliant.

So tests can run with -Dusedefaultstrict