Error occures when running npm test

[mkalinin]

hello guys,

Doing npm install and then npm test
MacOS Sierra: 10.12

 [check-vote-yes-in-loop-same-address]
    1) check-vote-yes-in-loop-same-address
/Users/n0ble/workspace/ethereum/ethereum-testing-reference/node_modules/solc/soljson.js:1
(function (exports, require, module, __filename, __dirname) { var Module;if(!Module)Module=(typeof Module!=="undefined"?Module:null)||{};var moduleOverrides={};for(var key in Module){if(Module.hasOwnProperty(key)){moduleOverrides[key]=Module[key]}}var ENVIRONMENT_IS_WEB=typeof window==="object";var ENVIRONMENT_IS_WORKER=typeof importScripts==="function";var ENVIRONMENT_IS_NODE=typeof process==="object"&&typeof require==="function"&&!ENVIRONMENT_IS_WEB&&!ENVIRONMENT_IS_WORKER;var ENVIRONMENT_IS_SHELL=!ENVIRONMENT_IS_WEB&&!ENVIRONMENT_IS_NODE&&!ENVIRONMENT_IS_WORKER;if(ENVIRONMENT_IS_NODE){if(!Module["print"])Module["print"]=function print(x){process["stdout"].write(x+"\n")};if(!Module["printErr"])Module["printErr"]=function printErr(x){process["stderr"].write(x+"\n")};var nodeFS=require("fs");var nodePath=require("path");Module["read"]=function read(filename,binary){filename=nodePath["normalize"](filename);var ret=nodeF

Error: Callback was already called.
    at /Users/n0ble/workspace/ethereum/ethereum-testing-reference/node_modules/async/dist/async.js:844:36
    at /Users/n0ble/workspace/ethereum/ethereum-testing-reference/node_modules/async/dist/async.js:1071:17
    at Object.callback (/Users/n0ble/workspace/ethereum/ethereum-testing-reference/node_modules/ethereum-sandbox-helper/helper.js:90:23)
    at /Users/n0ble/workspace/ethereum/ethereum-testing-reference/node_modules/ethereum-sandbox-client/node_modules/web3/lib/web3/method.js:142:25
    at /Users/n0ble/workspace/ethereum/ethereum-testing-reference/node_modules/ethereum-sandbox-client/node_modules/web3/lib/web3/requestmanager.js:82:20
    at request.onreadystatechange (/Users/n0ble/workspace/ethereum/ethereum-testing-reference/node_modules/ethereum-sandbox-client/node_modules/web3/lib/web3/httpprovider.js:114:13)
    at dispatchEvent (/Users/n0ble/workspace/ethereum/ethereum-testing-reference/node_modules/ethereum-sandbox-client/node_modules/web3/node_modules/xmlhttprequest/lib/XMLHttpRequest.js:591:25)
    at setState (/Users/n0ble/workspace/ethereum/ethereum-testing-reference/node_modules/ethereum-sandbox-client/node_modules/web3/node_modules/xmlhttprequest/lib/XMLHttpRequest.js:610:14)
    at handleError (/Users/n0ble/workspace/ethereum/ethereum-testing-reference/node_modules/ethereum-sandbox-client/node_modules/web3/node_modules/xmlhttprequest/lib/XMLHttpRequest.js:532:5)
    at ClientRequest.errorHandler (/Users/n0ble/workspace/ethereum/ethereum-testing-reference/node_modules/ethereum-sandbox-client/node_modules/web3/node_modules/xmlhttprequest/lib/XMLHttpRequest.js:459:14)
    at emitOne (events.js:77:13)
    at ClientRequest.emit (events.js:169:7)
    at Socket.socketErrorListener (_http_client.js:259:9)
    at emitOne (events.js:77:13)
    at Socket.emit (events.js:169:7)
    at emitErrorNT (net.js:1253:8)
    at doNTCallback2 (node.js:439:9)
    at process._tickCallback (node.js:353:17)
npm ERR! Test failed.  See above for more details.