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Cannot read property 'lastIndexOf' of undefined

See original GitHub issue

I’m submitting a … (check one with “x”)

[X] bug report
[ ] feature request
[ ] support request => Please do not submit support request here, instead use https://groups.google.com/d/forum/nightwatch-cucumber

Current behavior

Starting selenium server in parallel mode... started - PID:  15495

Started child process for: features/home
Started child process for: features/how-to-apply
Started child process for: features/lending-criteria
Started child process for: features/partners

  >> features/home finished.


  >> features/how-to-apply finished.


  >> features/lending-criteria finished.


  >> features/partners finished.

Started child process for: features/top-navigation

  >> features/top-navigation finished.


Unhandled Rejection at: Promise Promise {
  <rejected> TypeError: Cannot read property 'lastIndexOf' of undefined
    at Runner.addIndexToFileName (/Users/arozwalak/Sites/brokers/node_modules/nightwatch-cucumber/lib/runner.js:70:30)
    at /Users/arozwalak/Sites/brokers/node_modules/nightwatch-cucumber/lib/runner.js:122:45
    at Generator.next (<anonymous>)
    at onFulfilled (/Users/arozwalak/Sites/brokers/node_modules/co/index.js:65:19)
    at /Users/arozwalak/Sites/brokers/node_modules/co/index.js:54:5
    at co (/Users/arozwalak/Sites/brokers/node_modules/co/index.js:50:10)
    at createPromise (/Users/arozwalak/Sites/brokers/node_modules/co/index.js:30:15)
    at args.(anonymous function) (/Users/arozwalak/Sites/brokers/node_modules/nightwatch-cucumber/lib/hook-utils.js:23:28)
    at /Users/arozwalak/Sites/brokers/node_modules/nightwatch/lib/runner/cli/clirunner.js:922:13
    at ChildProcess.<anonymous> (/Users/arozwalak/Sites/brokers/node_modules/nightwatch/lib/runner/cli/child-process.js:87:7)
    at emitTwo (events.js:106:13)
    at ChildProcess.emit (events.js:191:7)
    at Process.ChildProcess._handle.onexit (internal/child_process.js:215:12) } reason: TypeError: Cannot read property 'lastIndexOf' of undefined
    at Runner.addIndexToFileName (/Users/arozwalak/Sites/brokers/node_modules/nightwatch-cucumber/lib/runner.js:70:30)
    at /Users/arozwalak/Sites/brokers/node_modules/nightwatch-cucumber/lib/runner.js:122:45
    at Generator.next (<anonymous>)
    at onFulfilled (/Users/arozwalak/Sites/brokers/node_modules/co/index.js:65:19)
    at /Users/arozwalak/Sites/brokers/node_modules/co/index.js:54:5
    at co (/Users/arozwalak/Sites/brokers/node_modules/co/index.js:50:10)
    at createPromise (/Users/arozwalak/Sites/brokers/node_modules/co/index.js:30:15)
    at args.(anonymous function) (/Users/arozwalak/Sites/brokers/node_modules/nightwatch-cucumber/lib/hook-utils.js:23:28)
    at /Users/arozwalak/Sites/brokers/node_modules/nightwatch/lib/runner/cli/clirunner.js:922:13
    at ChildProcess.<anonymous> (/Users/arozwalak/Sites/brokers/node_modules/nightwatch/lib/runner/cli/child-process.js:87:7)
    at emitTwo (events.js:106:13)
    at ChildProcess.emit (events.js:191:7)
    at Process.ChildProcess._handle.onexit (internal/child_process.js:215:12)

Reproduction of the problem If the current behavior is a bug or you can illustrate your feature request better with an example, please provide the steps to reproduce and if possible a minimal demo of the problem via https://c9.io, http://www.koding.com, https://www.nitrous.io or similar.

Nightwatch.config

require('nightwatch-cucumber')({
  nightwatchClientAsParameter: true,
  cucumberArgs: [
    '--require', 'test/features/step_definitions',
    '--format', 'progress',
    '--format', 'json:test/reports/cucumber.json',
    '--format-options', '{"colorsEnabled": false}',
    'test/features'
  ]
});

module.exports = {
  "output_folder": "test/reports",
  "page_objects_path" : "test/features/page-objects",
  "selenium": {
    "start_process": true,
    "server_path": BINPATH + "selenium.jar",
    "log_path" : "test/logs",
    "host": "127.0.0.1",
    "port": 4444,
    "cli_args": {
      "webdriver.chrome.driver" : BINPATH + "chromedriver"
    }
  },
  "test_workers": {
    "enabled": true,
    "workers": "auto"
  },
  "test_settings": {
    "default": {
      "globals": {
        "url": "http://brokers.project.dev:8080",
        "waitForConditionTimeout": 5000
      },
      "desiredCapabilities": {
        "browserName": "chrome"
      },
      "screenshots" : {
        "enabled" : true,
        "on_failure" : true,
        "on_error" : true,
        "path" : SCREENSHOT_PATH
      }
    },
    "uat": {
      "disable_colors": true,
      "globals": {
        "url": "http://intermediaries.uatenv.landbay.co.uk",
      },
      "desiredCapabilities": {
        "browserName": "chrome",
        "javascriptEnabled": true,
        "acceptSslCerts": true,
        "chromeOptions": {
          "args": ["--no-sandbox"]
        }
      }
    }
  }
}

Please tell us about your environment:

OS X El Capitan