   (let ((input '((testlayer :dir "/a/path/"
                             :ext-dir "/a/path/extensions/"
                             :variables
-                            var1 bar
+                            var1 'bar
                             var2))))
     (mocker-let
      ((spacemacs-buffer/warning

  (let ((input '((testlayer :dir "/a/path/"
                            :ext-dir "/a/path/extensions/"
                            :variables
                            var1 bar1
                            var2 bar2
                            var3 bar3))))
    (setq var1 'foo)
    (setq var2 'foo)
    (setq var3 'foo)

  (let ((input '((testlayer :dir "/a/path/"
                            :ext-dir "/a/path/extensions/"
                            :variables
                            var1 'bar))))
    (setq var1 'foo)
    (configuration-layer//set-layers-variables input)
    (should (eq var1 'bar))))
