They are not Perl. Maybe distribution-related stuff should go into another directory? `dist` perhaps?
closedir $dh or warn qq{Could not close the 't' directory: $!\n};
opendir $dh, 'scripts' or die qq{Could not open the 'scripts' directory};
-my @script_files = grep { /^[a-z]/ and ! /\.rc$/ } readdir $dh;
+my @script_files = grep { /^[a-z]/ and ! /\.(?:rc|init|spec)$/ } readdir $dh;
closedir $dh or warn qq{Could not close the 'scripts' directory: $!\n};
plan tests => @important_files + @test_files + @script_files;