In a world of no tests, a handful of high level tests on "critical path" functionality can make a huge difference. They can also demonstrate visible wins to unc

In a world of no tests, a handful of high level tests on "critical path" functionality can make a huge difference. They can also demonstrate visible wins to unconvinced stakeholders. I don't know the OP's world, but I can vouch for starting with high level tests being a good strategy in some cases.