An informal method of test case or test artifact review.
Not much preparation is required.
While writing tests , the author arranges for this informal walkthrough review to gather immediate feedback from a domain expert or counterpart developer or a fellow qa person to get interim assessment on what the state of the tests are .
This gives an idea of before the actual inspection review is called for .
More often than not , a small meeting is called , and the author and the reviewer seat together and discuss based on the tests and the actual application. The author takes notes and implements them, not archiving of notes is necessary.