don't use build tags to mark integration tests

test/integration/metrics/BUILD

@@ -5,6 +5,7 @@ licenses(["notice"])
 load(
     "@io_bazel_rules_go//go:def.bzl",
     "go_library",
+    "go_test",
 )
 
 go_library(
@@ -25,3 +26,24 @@ filegroup(
     srcs = [":package-srcs"],
     tags = ["automanaged"],
 )
+
+go_test(
+    name = "go_default_test",
+    srcs = ["metrics_test.go"],
+    library = ":go_default_library",
+    tags = [
+        "automanaged",
+        "integration",
+    ],
+    deps = [
+        "//pkg/api:go_default_library",
+        "//pkg/api/v1:go_default_library",
+        "//pkg/client/clientset_generated/clientset:go_default_library",
+        "//test/integration/framework:go_default_library",
+        "//vendor/github.com/golang/glog:go_default_library",
+        "//vendor/github.com/golang/protobuf/proto:go_default_library",
+        "//vendor/github.com/prometheus/client_model/go:go_default_library",
+        "//vendor/k8s.io/apimachinery/pkg/apis/meta/v1:go_default_library",
+        "//vendor/k8s.io/client-go/rest:go_default_library",
+    ],
+)

test/integration/metrics/metrics_test.go

@@ -1,5 +1,3 @@
-// +build integration,!no-etcd,linux
-
 /*
 Copyright 2015 The Kubernetes Authors.