Where I can view the created test-cases?

[Hreshchyshyn Olena]

I have already done my test-cases in my projects earlier. I have 4 projects, and test-cases for each of these projects. I haven't been in for a while in Atlassian and when I log in now, I haven't seen any of my projects and none of my created test-cases.
Who knows how can I find them?

[Rilwan Ahmed]

Hi @Hreshchyshyn Olena ,

Welcome to the community !!

Are you accessing the url where you created the tickets previously ? If yes, then go to
Main menu --> filters --> Advanced issue search
Enter JQL "creator = currentUser()" and hit Search. This should give all the tickets created by you where you have the access now. 

To grant access to the projects again, if you are a site admin/Jira admin, then go to Admin settings --> Projects --> click on action menu (3 dots) against each required project -->  Project settings --> People. Add yourself to the required project roles.