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Tests fail to run on BrowserStack with all Parallels in use error

Learn how to resolve the All parallel tests are currently in use error message.

Issue

When you run your tests on BrowserStack, you may encounter the following error:

All parallel tests are currently in use, including the queued tests. Please wait to finish or upgrade your plan to add more sessions.

Cause

This error can occur due to any of the following reasons:

  • You tried to run a test, but the number of parallel and queued tests is already full.
  • You or the sub-team you are assigned to doesn’t have parallels assigned.
Note: To understand how test queuing works in Automate, check out the working of test queue section.

Resolution/Workaround

You can try the following resolutions:

Check available parallel and queued tests

Before you run any parallel test on BrowserStack, check the number of available parallel and queued tests using the Plan API :

Command Line
# Find the available number of parallel and queued tests
curl -u "{your_username}:{your_access_key}" https://api.browserstack.com/automate/plan.json

The response to this command is as follows:

{
    "automate_plan":"Free",
    "parallel_sessions_running":5,
    "team_parallel_sessions_max_allowed":5,
    "parallel_sessions_max_allowed":5,
    "queued_sessions":5,
    "queued_sessions_max_allowed":5
}

Observe the response and check the following table:

Issue Cause Resolution
parallel_sessions_running is equal to team_parallel_sessions_max_allowed, and queued_sessions is equal to queued_sessions_max_allowed All your allocated parallel(5) and queued(5) tests are currently in use Use the Plan API to check whether you have parallels or queues available, before sending a session to BrowserStack.

If you want additional parallels to improve the speed of your build, contact us.
Protip:
  • To avoid tests from going into the queue, we recommend that you periodically use the Plan API to learn about the available parallels.
  • Use the same BrowserStack user credentials to send a Plan API request and to trigger your tests so that you can plan parallels efficiently.

Check product access

On the Automate dashboard, click Account, and then click User Management. Click the Users tab and search for a username to verify the products that you can access.

For access to any other product, contact us.

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