1. A method for testing a number of display devices, the method comprising: receiving images displayed on the number of display devices by a computer system for a platform during a performance of a number of tests at a number of test locations for the platform; comparing the images to each other to form a comparison; identifying a portion of the images from the images as a number of images of interest from the comparison using a policy; and wherein comparing comprises comparing only a number of areas in a first image in the images, the number of areas being less than an entirety of the first image, with a corresponding number of areas in a second image in the images, the corresponding number of areas being less than an entirety of the second image, and wherein the second image is subsequent to the first image, and wherein the method further comprises: determining whether any change between the number of areas in the first image and the corresponding number of areas in the second image is sufficient to identify the second image as an image of interest using the policy; and responsive to a determination that the any change is sufficient, identifying the second image as the image of interest using the policy.