I don't understand how can I get the Developer License for my JIRA test environment.
In the documentation the following is written:
But there's no View Developer License' link in the bottom right corner of the license detail panel, below my commercial license key.
My guess is that you are looking at a trial, a free, an academic, a charitable, or $10 starter licence.
Developer licences only exist for Commercial licences at 25 users or above (I think. I'm not 100% sure about the academic or charitable ones)
Looks like that's the only way for me even though my production JIRA won't be available while testing: (from the documentation)
The suggested license to apply to a non-production environment is a Developer License , not an Evaluation license. You should only use an Evaluation license if you don't have a Developer license tied to your main license.