fix tabs

test/categories.js

@@ -11,7 +11,7 @@ var Topics = require('../src/topics');
 var User = require('../src/user');
 
 describe('Categories', function() {
-	var	categoryObj;
+	var categoryObj;
 	var posterUid;
 
 	before(function(done) {

test/groups.js

@@ -1,7 +1,7 @@
 'use strict';
 /*global require, before, after*/
 
-var	assert = require('assert');
+var assert = require('assert');
 var async = require('async');
 
 var db = require('./mocks/databasemock');

test/notifications.js

@@ -2,7 +2,7 @@
 /*global require, after, before*/
 
 
-var	assert = require('assert');
+var assert = require('assert');
 
 var db = require('./mocks/databasemock');
 var user = require('../src/user');