Add some testing to the bundle/ module.

examples/sample-bundle/bundle/info.jdn

@@ -1,3 +1,3 @@
 @{
-  :dependencies ["spork"]
+  :dependencies ["sample-dep1" "sample-dep2"]
 }

examples/sample-bundle/mymod.janet

@@ -1,3 +1,7 @@
+(import dep1)
+(import dep2)
+
 (defn myfn
   [x]
-  (+ x x))
+  (def y (dep2/function x))
+  (dep1/function y))