<!--- Provide a general summary of the issue in the Title above -->

## Expected Behavior
<!--- Tell us what should happen -->

## Actual Behavior
<!--- Tell us what happens instead of the expected behavior -->

## Steps to Reproduce the Problem

  1.
  2.
  3.

## browserstack.json
<!-- Provide your browserstack.json, remember to exclude your browserstack username and access key.-->

## Platform details
 
  1. browserstack-runner version:
  2. node version:
  3. os type and version:

## Details
<!--- Provide a detailed description of the issue that you are facing. -->
