A clear workflow
Who will use the application? Which small part needs to work reliably first?
Build software. Enable your team.
Start with a workflow your team knows well. These questions will help you prepare.
Who will use the application? Which small part needs to work reliably first?
What data is needed? Who may see or change it? What should stay in the test environment initially?
How will the team know that a change works? Test error cases and existing functionality too.
Who approves changes, helps users and takes responsibility when something fails?