perlPackages.JSON: fix tests

+1
+1
pkgs/top-level/perl-packages.nix
··· 8093 preConfigure = '' 8094 substituteInPlace Makefile.PL --replace "exit 0;" "" 8095 ''; 8096 meta = { 8097 description = "JSON (JavaScript Object Notation) encoder/decoder"; 8098 license = with stdenv.lib.licenses; [ artistic1 gpl1Plus ];
··· 8093 preConfigure = '' 8094 substituteInPlace Makefile.PL --replace "exit 0;" "" 8095 ''; 8096 + buildInputs = [ TestPod ]; 8097 meta = { 8098 description = "JSON (JavaScript Object Notation) encoder/decoder"; 8099 license = with stdenv.lib.licenses; [ artistic1 gpl1Plus ];