Fix failing test on blockchain

lib/cmds/blockchain/blockchain.js

@@ -96,12 +96,21 @@ Blockchain.prototype.setupProxy = function() {
 
   let ipcObject = new Ipc({ipcRole: 'client'});
 
-  proxy.serve(ipcObject, this.config.rpcHost, this.config.rpcPort, false);
-  proxy.serve(ipcObject, this.config.wsHost, this.config.wsPort, true);
+  this.rpcProxy = proxy.serve(ipcObject, this.config.rpcHost, this.config.rpcPort, false);
+  this.wsProxy = proxy.serve(ipcObject, this.config.wsHost, this.config.wsPort, true);
   this.config.rpcPort += constants.blockchain.servicePortOnProxy;
   this.config.wsPort += constants.blockchain.servicePortOnProxy;
 };
 
+Blockchain.prototype.shutdownProxy = function() {
+  if (!this.config.proxy) {
+    return;
+  }
+
+  this.rpcProxy.close();
+  this.wsProxy.close();
+}
+
 Blockchain.prototype.runCommand = function(cmd, options, callback) {
   console.log(__("running: %s", cmd.underline).green);
   if (this.blockchainConfig.silent) {
@@ -220,6 +229,8 @@ Blockchain.prototype.readyCallback = function() {
 };
 
 Blockchain.prototype.kill = function() {
+  this.shutdownProxy();
+
   if (this.child) {
     this.child.kill();
   }

lib/core/proxy.js

@@ -123,4 +123,5 @@ exports.serve = function(ipc, host, port, ws){
     }
 
     server.listen(port, defaultHost);
+    return server;
 };

test/blockchain.js

@@ -52,6 +52,7 @@ describe('embark.Blockchain', function () {
           config.rpcPort += constants.blockchain.servicePortOnProxy;
         }
         assert.deepEqual(blockchain.config, config);
+        blockchain.kill();
         done();
       });
     });
@@ -96,6 +97,7 @@ describe('embark.Blockchain', function () {
         }
 
         assert.deepEqual(blockchain.config, config);
+        blockchain.kill();
         done();
       });
     });

test/processLauncher.js

@@ -1,7 +1,7 @@
 /*global describe, it, before, beforeEach*/
 const assert = require('assert');
 const sinon = require('sinon');
-const TestLogger = require('../lib/tests/test_logger.js');
+const TestLogger = require('../lib/tests/test_logger');
 const ProcessLauncher = require('../lib/process/processLauncher');
 
 describe('ProcessWrapper', () => {