Suppose I have a story which takes 2 days to implement. In our process, the story would proceed to a design review, followed by QA, then UAT. Therefore, in evaluating JIRA Portfolio, I created stages for each of these steps. Now, one would expect that for a 2 day task, you could probably implement and test that story all within a single sprint. However, JIRA Portfolio is breaking each stage out into its own sprint which is not useful and not accurate.
How I can illustrate this sequential step by step workflow and the time required to go through this workflow in JIRA portfolio?