fix digest test

test/user.js

@@ -991,23 +991,27 @@ describe('User', function () {
 	describe('digests', function () {
 		var uid;
 		before(function (done) {
-			User.create({ username: 'digestuser', email: 'test@example.com' }, function (err, _uid) {
+			async.waterfall([
-				assert.ifError(err);
+				function (next) {
+					User.create({ username: 'digestuser', email: 'test@example.com' }, next);
+				},
+				function (_uid, next) {
 					uid = _uid;
-				done();
+					User.updateDigestSetting(uid, 'day', next);
-			});
+				},
+				function (next) {
+					User.setSetting(uid, 'dailyDigestFreq', 'day', next);
+				},
+			], done);
 		});
 
 		it('should send digests', function (done) {
-			User.updateDigestSetting(uid, 'day', function (err) {
-				assert.ifError(err);
 			User.digest.execute({ interval: 'day' }, function (err) {
 				assert.ifError(err);
 				done();
 			});
 		});
 	});
-	});
 
 	describe('socket methods', function () {
 		var socketUser = require('../src/socket.io/user');