Originally Posted by
Jeeqbit
When they say that, it depends a lot on what type of content.
For casual content such as dungeons and alliance raids, they do mean all their staff, such as marketing and PR teams. They are looking for people who work for their company who are really not good and can't do a basic rotation.
If you mean high-end duties, obviously they get a static of really good players to test it, who test all their high-end duties regularly.
They are just testing for bugs. They find several thousand bugs and reduce them to a small number, shown in the "Known Issues" section of the patch notes.