t.Fatalf("got diff: %v", diff)
			}
		})
	}
}

func buildTestClustersWithTCPKeepalive(t testing.TB, configType ConfigType) []*cluster.Cluster {
	// Set mesh wide defaults.
	m := testMesh()
	if configType != None {
		m.TcpKeepalive = &networking.ConnectionPoolSettings_TCPSettings_TcpKeepalive{
			Time: &durationpb.Duration{
				Seconds: MeshWideTCPKeepaliveSeconds,