chicken: disable tests for darwin

Test suite assumes access to the `hostname` command, and a few
other gnu coreutil assumptions, not compatible with darwin.

Enable doInstallCheck to compensate

pkgs/development/compilers/chicken/5/chicken.nix

@@ -45,12 +45,17 @@ stdenv.mkDerivation rec {
     done
   '';
 
-  doCheck = true;
+  doCheck = !stdenv.isDarwin;
   postCheck = ''
     ./csi -R chicken.pathname -R chicken.platform \
        -p "(assert (equal? \"${toString binaryVersion}\" (pathname-file (car (repository-path)))))"
   '';
 
+  doInstallCheck = true;
+  installCheckPhase = ''
+    $out/bin/chicken -version
+  '';
+
   meta = {
     homepage = "https://call-cc.org/";
     license = lib.licenses.bsd3;