StormExecutor: adding an unit test to changes introduced in STORM-3693 #930

Job	Run time
build (ubuntu-latest, 17, Client, false)	5m 26s
build (ubuntu-latest, 17, Server, false)	16m 43s
build (ubuntu-latest, 17, Core, false)	9m 17s
build (ubuntu-latest, 17, External, false)	4m 16s
build (ubuntu-latest, 17, Check-Updated-License-Files, false)	4m 1s
build (ubuntu-latest, 17, Integration-Test, false)	4m 55s
build (ubuntu-latest, 21, Client, false)	5m 35s
build (ubuntu-latest, 21, Server, false)	16m 40s
build (ubuntu-latest, 21, Core, false)	9m 30s
build (ubuntu-latest, 21, External, false)	3m 42s
build (ubuntu-latest, 21, Check-Updated-License-Files, false)	3m 50s
build (ubuntu-latest, 21, Integration-Test, false)	5m 4s
	1h 28m 59s

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