Intent of dlq_metrics_emitter.go ×4

All 2 exact tests in this concept. Every test is marked by where it enters the hierarchy.

go.temporal.io/ 2 tests
- server/ 2 tests
  - common/ 2 tests
    
    persistence/ 2 tests
    
    go.temporal.io/server/common/persistence/TestDLQMetricsEmitter_DoesNotEmitMetrics_WhenInstanceDoesNotHostShardOne Inherited dlq_metrics_emitter.go ×3
    
    go.temporal.io/server/common/persistence/TestDLQMetricsEmitter_EmitMetrics_WhenInstanceHostsShardOne Inherited dlq_metrics_emitter.go ×9