A Test is an activity designed specifically to demonstrate mastery of a Task or Topic.
Tests are the hard part of training -- for the instructors as well as the students. A perfect Test would be one single activity that requires the integrated use of all the Topics and Tasks learned in the study of a Tutorial. "Perform a successful heart transplant" would be one such Test. "Drive this 18-wheel tractor-trailer from downtown Boston to Kansas City" is another. More typical, however, are a series of minor Tests during a Tutorial to establish the students' incremental improvement and enlargement of skillset before actually slicing into the patient's chest.
Tests in WBT usually employ such well-know techniques as:
A Test is as much a measure of the capability of the instructional design as it is of the skills of the student. Think, for a moment, about a student passing a Test on a faulty Tutorial, or capable students failing a Test that requires untaught skills. Designing a good Test is the final Test of the instructor's mastery of the whole instructional process.