Refactor S3 integration tests to use weed mini (#7877)

* Refactor S3 integration tests to use weed mini

* Fix weed mini flags for sse and parquet tests

* Fix IAM test startup: remove -iam.config flag from weed mini

* Enhance logging in IAM Makefile to debug startup failure

* Simplify weed mini flags and checks in S3 tests (IAM, Parquet, SSE, Copying)

* Simplify weed mini flags and checks in all S3 tests

* Fix IAM tests: use -s3.iam.config for weed mini

* Replace timeout command with portable loop in IAM Makefile

* Standardize portable loop-based readiness checks in all S3 Makefiles

* Define SERVER_DIR in retention Makefile

* Fix versioning and retention Makefiles: remove unsupported weed mini flags

* fix filer_group test

* fix cors

* emojis

* fix sse

* fix retention

* fixes

* fix

* fixes

* fix parquet

* fixes

* fix

* clean up

* avoid duplicated debug server

* Update .gitignore

* simplify

* clean up

* add credentials

* bind

* delay

* Update Makefile

* Update Makefile

* check ready

* delay

* update remote credentials

* Update Makefile

* clean up

* kill

* Update Makefile

* update credentials

weed/command/mini.go

@@ -1062,9 +1062,7 @@ func startMiniWorker() {
 	// Set admin client
 	workerInstance.SetAdminClient(adminClient)
 
-	// Start metrics server for health checks and monitoring (uses shared metrics port like other services)
-	// This allows Kubernetes probes to check worker health via /health endpoint
-	go stats_collect.StartMetricsServer(*miniMetricsHttpIp, *miniMetricsHttpPort)
+	// Metrics server is already started in the main init function above, so no need to start it again here
 
 	// Start the worker
 	err = workerInstance.Start()