Change Test Jar

Signed-off-by: Pengfei Zhang <pzhang11@stevens.edu>
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Merge branch 'master' of https://github.com/andysim3d/CS555.git
Merge branch 'master' of https://github.com/andysim3d/CS555.git
Add Test Model and Test Method of Display

Signed-off-by: Pengfei Zhang <pzhang11@stevens.edu>