For general testing, also check out Zephyr: http://www.getzephyr.com/
No , i dont think we have any tool for testing in JIRA.
JIRA recommends these tools.
https://confluence.atlassian.com/display/ENTERPRISE/JIRA+Performance+Testing+-+Available+Tools
I have used Gatling and its good.
It looks like you're new here. Sign in or register to get started.