MultiDC cluster [It] should form when external seeds are provided to ScyllaClusters

[rzetelskik]

Link to the job that flaked.

https://prow.scylla-operator.scylladb.com/view/gs/scylla-operator-prow/pr-logs/pull/scylladb_scylla-operator/2143/pull-scylla-operator-master-e2e-gke-parallel/1842200704656084992#1:test-build-log.txt%3A2337

/priority backlog

Snippet of what failed.

  [FAILED] Unexpected error:
      <*fmt.wrapError | 0xc0003380e0>: 
      waiting has been interupted ([false]): timed out waiting for the condition
      {
          msg: "waiting has been interupted ([false]): timed out waiting for the condition",
          err: <wait.errInterrupted>{
              cause: <*errors.errorString | 0xc0004ff190>{
                  s: "timed out waiting for the condition",
              },
          },
      }
  occurred
  In [It] at: github.com/scylladb/scylla-operator/test/e2e/set/scyllacluster/scyllacluster_external_seeds.go:75 @ 10/04/24 14:34:06.502
  Full Stack Trace
    github.com/scylladb/scylla-operator/test/e2e/set/scyllacluster.init.func7.1()
    	github.com/scylladb/scylla-operator/test/e2e/set/scyllacluster/scyllacluster_external_seeds.go:75 +0xd50