make mocha browser tests all run with no console errors

...except Wallet and WalletFactory.

test/index.html

@@ -14,15 +14,11 @@
     <script>mocha.setup('bdd')</script>
     <script src="../lib/bitcore/browser/bundle.js"></script> 
     <script src="../js/copayBundle.js"></script>
-    <script>
-      var copay = require('copay');
-    </script>
     <script src="test.blockchain.Insight.js"></script>
     <script src="test.PrivateKey.js"></script>
     <script src="test.PublicKeyRing.js"></script>
     <script src="test.storage.LocalEncrypted.js"></script>
     <script src="test.storage.LocalPlain.js"></script>
-    <script src="test.TxProposals.js"></script>
     <script src="test.Wallet.js"></script>
     <script src="test.Walletfactory.js"></script>
     <script src="test.performance.js"></script>