There is no agent available for role '{0}', which runs diagnostic data adapters. Your tests cannot be run. If you want to ...

There is no agent available for role '{0}', which runs diagnostic data adapters. Your tests cannot be run. If you want to run your tests with the diagnostic data adapters on this role, perform one of the following actions and then run your tests:

- You can wait for an agent to become available for these roles.
- If there are any agents that are offline that can be used for this role, you must change the state of the agent to online. In addition, you might have to restart the agent if it has been disconnected from the controller.
- You can add another agent with the correct agent properties for the role to the test controller.
- You can change the agent properties for the role in the test settings to enable other agents that you want to use.