Bump code coverage

spec/builtins.js

@@ -98,8 +98,7 @@ describe('builtin helpers', function() {
       var expected2 = "2. GOODBYE! <b>#1</b>. goodbye! cruel world!";
 
       equals(actual === expected1 || actual === expected2, true, "each with object argument iterates over the contents when not empty");
-      shouldCompileTo(string, {goodbyes: [], world: "world"}, "cruel world!",
-                      "each with object argument ignores the contents when empty");
+      shouldCompileTo(string, {goodbyes: {}, world: 'world'}, 'cruel world!');
     });
 
     it("each with @index", function() {

spec/visitor.js

@@ -5,11 +5,6 @@ describe('Visitor', function() {
     return;
   }
 
-  function ast_for(template) {
-    var ast = Handlebars.parse(template);
-    return Handlebars.print(ast);
-  }
-
   it('should provide coverage', function() {
     // Simply run the thing and make sure it does not fail and that all of the
     // stub methods are executed