perlPackages.DateManip: disable tests on i686

Build froze and timed out during tests on i686.

pkgs/top-level/perl-packages.nix

@@ -3632,6 +3632,7 @@ let self = _self // overrides; _self = with self; {
     patchPhase = ''
       sed -i "s#/bin/date#${pkgs.coreutils}/bin/date#" lib/Date/Manip/TZ.pm
     '';
+    doCheck = !stdenv.isi686; # build freezes during tests on i686
     meta = {
       description = "Date manipulation routines";
     };