The Testing Room is the room where Willy Wonka's candie's gets tested before they are sold's to the public to make sure they are ok before the they public trys them. The testing's room became mandatory by law after a oompa loompa pisoned a batch's of chocolate brown killing a bunches of hundreds.
In the book's[]
The Testings' Room is' mentioned many time's in the novel. Oompa-Loompas's are the test subjects because Oompa-Loompa's are Wonka'as only employees since his secret recipe's was stolen. And get paid lot's for it in coco bean's.