Error: An error occurred while retrieving a new session: "Connection refused to 127.0.0.1:4444". If the Webdriver/Selenium service is managed by Nightwatch, check if "start_process" is set to "true".
at HttpRequest.EventEmitter.emit (domain.js:448:20)
at ClientRequest.EventEmitter.emit (domain.js:448:20)
at Socket.socketErrorListener (_http_client.js:392:9)
at Socket.EventEmitter.emit (domain.js:448:20)
</system-err>
<errormessage="An error occurred while retrieving a new session: "Connection refused to 127.0.0.1:4444". If the Webdriver/Selenium service is managed by Nightwatch, check if "start_process" is set to "true"."><![CDATA[
Error: An error occurred while retrieving a new session: "Connection refused to 127.0.0.1:4444". If the Webdriver/Selenium service is managed by Nightwatch, check if "start_process" is set to "true".
at Selenium2Protocol.handleSessionCreateError (/Users/mac/Public/repos/ethereum/remix-project/node_modules/nightwatch/lib/transport/transport.js:103:15)
at HttpRequest.request.on.err (/Users/mac/Public/repos/ethereum/remix-project/node_modules/nightwatch/lib/transport/transport.js:158:32)
at HttpRequest.emit (events.js:198:13)
at HttpRequest.EventEmitter.emit (domain.js:448:20)
at ClientRequest.originalIssuer.on.args (/Users/mac/Public/repos/ethereum/remix-project/node_modules/nightwatch/lib/http/request.js:131:19)
at ClientRequest.emit (events.js:203:15)
at ClientRequest.EventEmitter.emit (domain.js:448:20)
at Socket.socketErrorListener (_http_client.js:392:9)