Fix cluster discovery process. #591

Job	Run time
Build (8)	45s
Build (11)	49s
Build (17)	43s
Tests (ci) / Single node (Streams)	59s
Tests (ci) / Secure (Streams)	1m 1s
Tests (ci) / Single node (PersistentSubscriptions)	1m 24s
Tests (latest) / Cluster (Streams)	54s
Tests (ci) / Secure (PersistentSubscriptions)	1m 22s
Tests (ci) / Cluster (Streams)	1m 40s
Tests (ci) / Single node (Expectations)	1m 15s
Tests (latest) / Cluster (PersistentSubscriptions)	1m 17s
Tests (ci) / Cluster (PersistentSubscriptions)	1m 29s
Tests (latest) / Secure (Streams)	1m 4s
Tests (latest) / Single node (Streams)	1m 0s
Tests (latest) / Secure (PersistentSubscriptions)	1m 26s
Tests (lts) / Cluster (Streams)	58s
Tests (lts) / Secure (Streams)	1m 11s
Tests (latest) / Single node (PersistentSubscriptions)	2m 55s
Tests (lts) / Cluster (PersistentSubscriptions)	1m 24s
Tests (lts) / Secure (PersistentSubscriptions)	1m 16s
Tests (latest) / Single node (Expectations)	1m 13s
Tests (lts) / Single node (Streams)	1m 0s
Tests (previous-lts) / Cluster (Streams)	1m 5s
Tests (lts) / Single node (PersistentSubscriptions)	1m 19s
Tests (previous-lts) / Secure (Streams)	1m 2s
Tests (previous-lts) / Cluster (PersistentSubscriptions)	1m 19s
Tests (lts) / Single node (Expectations)	1m 19s
Tests (previous-lts) / Single node (Streams)	1m 2s
Tests (previous-lts) / Secure (PersistentSubscriptions)	1m 16s
Tests (previous-lts) / Single node (PersistentSubscriptions)	1m 14s
Tests (previous-lts) / Single node (Expectations)	1m 21s
	38m 2s

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