How do software writers avoid inappropriate cost-cutting ?

Question

A system might require at a minium seven levels of testing.

These might be called Cat 0, Cat 1,..., Cat 7.

At each level of testing don't we need to "walk the cat back".

Answer 1

by developing systems which work on a short run but which need assistance on a long run. thus, they make sure they'll always be useful to the project and never lose their job