add errors in test

Author: iurimatias

lib/test.js

@@ -59,7 +59,13 @@ Test.prototype.deployAll = function(contractsConfig, cb) {
         callback(null, ABI);
       }
   ], function(err, result) {
+    if (err) {
+      throw new Error(err);
+    }
     self.web3.eth.getAccounts(function(err, accounts) { 
+      if (err) {
+        throw new Error(err);
+      }
       var web3 = self.web3;
       web3.eth.defaultAccount = accounts[0];
       // TODO: replace evals with separate process so it's isolated and with