In the absence of clearly defined goals, we become strangely loyal to performing daily acts of trivia The first 90% of the code accounts for the first 90% of the development time.
The remaining 10% of the code accounts for the other 90% of the development time. If you can't write it in English, You can't code it. The sooner you start to code, the longer the program will take. The jobs not over until the paperwork's done. It takes three times the effort to find and fix bugs in system test than when done by the developer.
It takes ten times the effort to find and fix bugs in the field than when done in system test.
Therefore, insist on unit tests by the developer. Never argue with an idiot; people watching might not be able to tell the difference. If you don't know what you're doing, you won't know when to quit.