Removes test dependency towards removed /external module hbase #363

Job	Run time
build (ubuntu-latest, 11, Client, false)	6m 41s
build (ubuntu-latest, 11, Server, false)	18m 53s
build (ubuntu-latest, 11, Core, false)	11m 4s
build (ubuntu-latest, 11, External, false)	11m 20s
build (ubuntu-latest, 11, Check-Updated-License-Files, false)	8m 9s
build (ubuntu-latest, 11, Integration-Test, false)	7m 6s
build (ubuntu-latest, 17, Client, false)	7m 16s
build (ubuntu-latest, 17, Server, false)	18m 28s
build (ubuntu-latest, 17, Core, false)	11m 13s
build (ubuntu-latest, 17, External, false)	11m 3s
build (ubuntu-latest, 17, Check-Updated-License-Files, false)	8m 7s
build (ubuntu-latest, 17, Integration-Test, false)	6m 54s
build (ubuntu-latest, 21, Client, false)	7m 13s
build (ubuntu-latest, 21, Server, false)	18m 33s
build (ubuntu-latest, 21, Core, false)	10m 48s
build (ubuntu-latest, 21, External, false)	11m 1s
build (ubuntu-latest, 21, Check-Updated-License-Files, false)	8m 49s
build (ubuntu-latest, 21, Integration-Test, false)	6m 29s
	3h 9m 7s

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