StormExecutor: adding an unit test to changes introduced in STORM-3693 #934

Job	Run time
build (ubuntu-latest, 17, Client, false)	5m 26s
build (ubuntu-latest, 17, Server, false)	17m 18s
build (ubuntu-latest, 17, Core, false)	9m 3s
build (ubuntu-latest, 17, External, false)	10m 10s
build (ubuntu-latest, 17, Check-Updated-License-Files, false)	4m 24s
build (ubuntu-latest, 17, Integration-Test, false)	5m 7s
build (ubuntu-latest, 21, Client, false)	6m 3s
build (ubuntu-latest, 21, Server, false)	16m 42s
build (ubuntu-latest, 21, Core, false)	9m 26s
build (ubuntu-latest, 21, External, false)	9m 53s
build (ubuntu-latest, 21, Check-Updated-License-Files, false)	3m 56s
build (ubuntu-latest, 21, Integration-Test, false)	5m 6s
	1h 42m 34s

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