Fix unit test

test/unit/pending-balance-test.js

@@ -9,7 +9,7 @@ const etherBn = new BN(String(1e18))
 const ether = '0x' + etherBn.toString(16)
 
 describe('PendingBalanceCalculator', function () {
-  let balanceCalculator
+  let balanceCalculator, pendingTxs
 
   describe('#calculateMaxCost(tx)', function () {
     it('returns a BN for a given tx value', function () {

test/unit/pending-tx-test.js

@@ -13,7 +13,8 @@ const otherNetworkId = 36
 const privKey = new Buffer('8718b9618a37d1fc78c436511fc6df3c8258d3250635bba617f33003270ec03e', 'hex')
 
 describe('PendingTransactionTracker', function () {
-  let pendingTxTracker, txMeta, txMetaNoHash, txMetaNoRawTx, providerResultStub, provider
+  let pendingTxTracker, txMeta, txMetaNoHash, txMetaNoRawTx, providerResultStub,
+  provider, txMeta3, txList, knownErrors
   this.timeout(10000)
   beforeEach(function () {
     txMeta = {