One more test and recreate browser version

browser-version/out/nedb.js

@@ -561,8 +561,7 @@ process.nextTick = (function () {
     if (canPost) {
         var queue = [];
         window.addEventListener('message', function (ev) {
-            var source = ev.source;
+            if (ev.source === window && ev.data === 'process-tick') {
-            if ((source === window || source === null) && ev.data === 'process-tick') {
                 ev.stopPropagation();
                 if (queue.length > 0) {
                     var fn = queue.shift();

package.json

@@ -34,7 +34,7 @@
     "commander": "1.1.1"
   },
   "scripts": {
-    "test": "./node_modules/.bin/mocha --reporter spec --timeout 2000"
+    "test": "./node_modules/.bin/mocha --reporter spec --timeout 10000"
   },
   "browser": {
     "./lib/customUtils.js": "./browser-version/browser-specific/lib/customUtils.js",

test/db.test.js

@@ -205,9 +205,13 @@ describe('Database', function () {
         newDoc.stuff.should.equal(true);
         newDoc._id.should.equal('test');
 
+        d.insert({ _id: 'test', otherstuff: 42 }, function (err) {
+          err.errorType.should.equal('uniqueViolated');
+        
           done();
         });
       });
+    });
 
     it('Modifying the insertedDoc after an insert doesnt change the copy saved in the database', function (done) {
       d.insert({ a: 2, hello: 'world' }, function (err, newDoc) {