Comment formatting review fixes

Author: Eric Millin

lib/test.js

@@ -109,8 +109,8 @@ Test.prototype.test = function (name, opts, cb) {
 
 Test.prototype.comment = function () {
     var that = this;
-    var keys = Object.keys(arguments)
-    var msg = keys.length > 1 ? format.apply(null, arguments) : arguments[keys[0]];
+
+    var msg = arguments.length > 1 ? format.apply(null, arguments) : arguments[0];
 
     trim(msg).split('\n').forEach(function (aMsg) {
         that.emit('result', trim(aMsg).replace(/^#\s*/, ''));

test/comment.js

@@ -226,4 +226,4 @@ tap.test('formatted multiline string', function (assert) {
         t.comment("tip\n%s\nt%s", "tap", "ape");
         t.end();
     });
-});
+});