In article ,
Matt Whiting wrote:

Don't confuse testing to detect an error with testing to show the customer
that the system is operating correctly.

That should be a demonstration, not a test.
Unfortunately, since all software systems are still delivered with
defects, it does constitute a test. :-)

Try demonstrating the correct operation of the TCAS II algorithms. :-/

--
Bob Noel
no one likes an educated mule