Added a test for setting undefined constants in Prism program (#139) #351

Job	Run time
Test on stable (Debug)	9m 46s
Test and Deploy on latest (Debug)	13m 33s
Test on stable (Release)	10m 36s
Indepth Tests (Debug, all libraries)	1m 33s
Test and Deploy on latest (Release)	6m 23s
Indepth Tests (Debug, no libraries)	14m 18s
Indepth Tests (Release, all libraries)	1s
Indepth Tests (Release, no libraries)	1m 11s
Email notification	10s
	57m 31s

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