Fix evaluation

nixos/tests/installer.nix

···
   # Rebuild the CD configuration with a little modification.
   rebuildCD = makeTest
     { inherit iso;
-      name = "rebuild-CD";
+      name = "rebuild-cd";
       nodes = { };
       testScript =
         ''

nixos/tests/simple.nix

···
 import ./make-test.nix {
-  name = "simple"
+  name = "simple";
 
   machine = { config, pkgs, ... }: { };