manager.TestAddNewCluster potentially flakey

=== RUN   TestAddNewCluster/OK

2022-03-23T13:38:51.178Z WARN Single Cluster Manager Cluster heartbeat failed {"cluster": "uuid-0", "err": "could not create REST client: failed to bootstrap client: failed to connect to any host(s) from the connection string, check username and password"}

2022-03-23T13:38:51.178Z WARN Check Runner Error running checker {"checker": "bucketEndpointCheckers", "cluster": "uuid-0", "error": "could not create client to communicate with clsuter: could not create REST client: failed to bootstrap client: failed to connect to any host(s) from the connection string, check username and password"}

2022-03-23T13:38:51.185Z WARN Check Runner Error running checker {"checker": "sharedClientChecks", "cluster": "uuid-0", "error": "could not create client to communicate with cluster: could not create REST client: failed to bootstrap client: failed to connect to any host(s) from the connection string, check username and password"}

2022-03-23T13:38:51.186Z WARN Check Runner Error running checker {"checker": "bucketStatCheckers", "cluster": "uuid-0", "error": "could not create client to communicate with cluster: could not create REST client: failed to bootstrap client: failed to connect to any host(s) from the connection string, check username and password"}

2022-03-23T13:38:51.186Z WARN Check Runner Error running checker {"checker": "serviceCheck", "cluster": "uuid-0", "error": "could not create client: could not create REST client: failed to bootstrap client: failed to connect to any host(s) from the connection string, check username and password"}

2022-03-23T13:38:51.187Z WARN Check Runner Error running checker {"checker": "nodeSelfChecks", "cluster": "uuid-0", "error": "could not create client: could not create REST client: failed to bootstrap client: failed to connect to any host(s) from the connection string, check username and password"}

2022-03-23T13:38:51.187Z WARN Check Runner Error running checker {"checker": "bucketMemcachedStatsCheckers", "cluster": "uuid-0", "error": "could not create memcached client for cluster: could not create client to communicate with data nodes: could not create REST client: failed to bootstrap client: failed to connect to any host(s) from the connection string, check username and password"}

2022-03-23T13:38:51.431Z ERROR Single Cluster Manager Failed to initialise agent port, will retry {"cluster": "uuid-0", "host": "127.0.0.1", "error": "failed to initialize agent: could not ping agent: failed to execute request: Get \"http://127.0.0.1:9092/agent/api/v1/ping\": dial tcp 127.0.0.1:9092: connect: connection refused"}

    cluster_handlers_test.go:796: 

        	Error Trace:	cluster_handlers_test.go:796

        	Error:      	Not equal: 

        	            	expected: &values.CouchbaseCluster{UUID:"uuid-0", Name:"", Alias:"", User:"user", Password:"pass", Enterprise:true, NodesSummary:values.NodesSummary{values.NodeSummary{NodeUUID:"node-0", Version:"7.0.0-0000-enterprise", Host:"https://127.0.0.1:19000", OS:"", Status:"healthy", ClusterMembership:"active", Services:[]string{"kv", "backup"}, SwapUsed:0x0, SwapTotal:0x0, CPUUtil:0, MemTotal:0x0, MemFree:0x0, CPUCount:0, Uptime:""}}, BucketsSummary:values.BucketsSummary{}, ClusterInfo:(*values.ClusterInfo)(0xc0004de1b0), HeartBeatIssue:0x0, LastUpdate:time.Time{wall:0xaa3cd20, ext:63783639531, loc:(*time.Location)(nil)}, CaCert:[]uint8{}, StatusSummary:(*values.ClusterStatusSummary)(nil), StatusProgress:(*values.ClusterProgress)(nil)}

        	            	actual  : &values.CouchbaseCluster{UUID:"uuid-0", Name:"", Alias:"", User:"user", Password:"pass", Enterprise:true, NodesSummary:values.NodesSummary{values.NodeSummary{NodeUUID:"node-0", Version:"7.0.0-0000-enterprise", Host:"https://127.0.0.1:19000", OS:"", Status:"healthy", ClusterMembership:"active", Services:[]string{"kv", "backup"}, SwapUsed:0x0, SwapTotal:0x0, CPUUtil:0, MemTotal:0x0, MemFree:0x0, CPUCount:0, Uptime:""}}, BucketsSummary:values.BucketsSummary{}, ClusterInfo:(*values.ClusterInfo)(0xc0003b2000), HeartBeatIssue:0x2, LastUpdate:time.Time{wall:0xaa3cd20, ext:63783639531, loc:(*time.Location)(nil)}, CaCert:[]uint8{}, StatusSummary:(*values.ClusterStatusSummary)(nil), StatusProgress:(*values.ClusterProgress)(nil)}

        	            	Diff:

        	            	--- Expected

        	            	+++ Actual

        	            	@@ -37,3 +37,3 @@

        	            	  }),

        	            	- HeartBeatIssue: (values.HeartIssue) 0,

        	            	+ HeartBeatIssue: (values.HeartIssue) 2,

        	            	  LastUpdate: (time.Time) {

        	Test:       	TestAddNewCluster/OK