add dryRun param

lib/server.js

@@ -423,6 +423,11 @@ WalletService.prototype._addCopayerToWallet = function(wallet, opts, cb) {
     if (err) return cb(err);
     if (res) return cb(Errors.COPAYER_REGISTERED);
 
+    if (opts.dryRun) return cb(null, {
+      copayerId: null,
+      wallet: wallet
+    });
+
     wallet.addCopayer(copayer);
     self.storage.storeWalletAndUpdateCopayersLookup(wallet, function(err) {
       if (err) return cb(err);

package.json

@@ -2,7 +2,7 @@
   "name": "bitcore-wallet-service",
   "description": "A service for Mutisig HD Bitcoin Wallets",
   "author": "BitPay Inc",
-  "version": "0.2.2",
+  "version": "0.2.3",
   "keywords": [
     "bitcoin",
     "copay",

test/integration/server.js

@@ -1078,7 +1078,7 @@ describe('Wallet service', function() {
       });
     });
 
-    it.only('should be able to get wallet info without actually joining', function(done) {
+    it('should be able to get wallet info without actually joining', function(done) {
       var copayerOpts = helpers.getSignedCopayerOpts({
         walletId: walletId,
         name: 'me',