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If you have multiple Test Plans, and since they're issues, you may priorize them in the current Sprint or Kanban boards. You can also "label" these Test Plans somehow to distinguish their relative relevance; you may use Jira's native Priority field for this as it comes by default and fulfills this purpose.
Setup and Configuration
In order to start with RBT, you have to configure the risk management related fields. You may use Jira built-in capabilities or use a risk management or even a customization app instead.
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