Add test-all alias to project file

Author: weavejester

project.clj

@@ -8,6 +8,7 @@
   :plugins [[lein-codox "0.9.4"]]
   :codox {:project {:name "Ring-Headers"}
           :output-path "codox"}
+  :aliases {"test-all" ["with-profile" "default:+1.6:+1.7:+1.8" "test"]}
   :profiles
   {:dev {:dependencies [[ring/ring-mock "0.3.0"]]}
    :1.6 {:dependencies [[org.clojure/clojure "1.6.0"]]}