Improve Go client testing #3

Job	Run time
Build (ubuntu-latest)	37s
Build (windows-2019)	2m 46s
Build (macos-latest)	52s
Tests (latest) / Single node (Streams)	1m 19s
Tests (lts) / Single node (Streams)	1m 57s
Tests (latest) / Single node (PersistentSubscriptions)	1m 29s
Tests (lts) / Single node (PersistentSubscriptions)	1m 29s
Tests (lts) / Single node (Expectations)	59s
Tests (latest) / Secure (Streams)	1m 3s
Tests (latest) / Cluster (Streams)	1m 5s
Tests (latest) / Secure (PersistentSubscriptions)	1m 39s
Tests (latest) / Cluster (PersistentSubscriptions)	1m 10s
Tests (latest) / Single node (Expectations)	1m 18s
Tests (lts) / Cluster (Streams)	1m 2s
Tests (lts) / Cluster (PersistentSubscriptions)	59s
Tests (lts) / Secure (Streams)	1m 14s
Tests (previous-lts) / Single node (Streams)	1m 9s
Tests (previous-lts) / Cluster (Streams)	1m 39s
Tests (lts) / Secure (PersistentSubscriptions)	1m 35s
Tests (previous-lts) / Single node (PersistentSubscriptions)	1m 22s
Tests (previous-lts) / Cluster (PersistentSubscriptions)	3m 20s
Tests (previous-lts) / Secure (Streams)	1m 35s
Tests (previous-lts) / Single node (Expectations)	54s
Tests (previous-lts) / Secure (PersistentSubscriptions)	1m 32s
Linting	0s
	34m 4s

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