Removes test dependency towards removed /external module hbase #362

Job	Run time
build (ubuntu-latest, 11, Client, false)	7m 14s
build (ubuntu-latest, 11, Server, false)	18m 43s
build (ubuntu-latest, 11, Core, false)	11m 28s
build (ubuntu-latest, 11, External, false)	12m 3s
build (ubuntu-latest, 11, Check-Updated-License-Files, false)	7m 38s
build (ubuntu-latest, 11, Integration-Test, false)	7m 9s
build (ubuntu-latest, 17, Client, false)	7m 21s
build (ubuntu-latest, 17, Server, false)	18m 7s
build (ubuntu-latest, 17, Core, false)	10m 44s
build (ubuntu-latest, 17, External, false)	11m 30s
build (ubuntu-latest, 17, Check-Updated-License-Files, false)	7m 39s
build (ubuntu-latest, 17, Integration-Test, false)	7m 20s
build (ubuntu-latest, 21, Client, false)	6m 53s
build (ubuntu-latest, 21, Server, false)	17m 53s
build (ubuntu-latest, 21, Core, false)	10m 44s
build (ubuntu-latest, 21, External, false)	10m 48s
build (ubuntu-latest, 21, Check-Updated-License-Files, false)	8m 24s
build (ubuntu-latest, 21, Integration-Test, false)	6m 52s
	3h 8m 30s

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