Delayed execution

Create a QA project role, with the testers as its members.

Add the Assign to role member post-function to the transition Create of the Bug workflow.

Select QA as the project role to look for.

Add the Copy value from field to field post-function to the Create transition of the Bug workflow.

Select Assignee as the From field.

Select Watchers as the To field.

Select the Delayed execution option and select 5 sec from the Delay drop-down.

Add the Create issue post-function to the Approve transition of the Story workflow.

Select Same as current issue from the Project field.

Select Subtask from the Issue type field.

Select Current issue from the Parent issue field.

Repeat the above steps for the Development subtask.

Add the Transition linked issues post-function to the Approve transition of the Story workflow.

Select Issue Link Type as is Parent of.

Select the Delayed execution option and select 10 sec from the Delay drop-down.