Make lint happy.

Signed-off-by: Peter Štibraný <pstibrany@gmail.com>

pkg/querier/error_translate_queryable_test.go

@@ -9,6 +9,7 @@ import (
 	"testing"
 	"time"
 
+	"github.com/go-kit/kit/log"
 	"github.com/pkg/errors"
 	"github.com/prometheus/client_golang/prometheus"
 	"github.com/prometheus/common/route"
@@ -22,7 +23,6 @@ import (
 	"github.com/weaveworks/common/user"
 
 	"github.com/cortexproject/cortex/pkg/chunk"
-	util_log "github.com/cortexproject/cortex/pkg/util/log"
 	"github.com/cortexproject/cortex/pkg/util/validation"
 )
 
@@ -130,7 +130,7 @@ func TestApiStatusCodes(t *testing.T) {
 
 func createPrometheusAPI(q storage.SampleAndChunkQueryable) *route.Router {
 	engine := promql.NewEngine(promql.EngineOpts{
-		Logger:             util_log.Logger,
+		Logger:             log.NewNopLogger(),
 		Reg:                nil,
 		ActiveQueryTracker: nil,
 		MaxSamples:         100,
@@ -151,7 +151,7 @@ func createPrometheusAPI(q storage.SampleAndChunkQueryable) *route.Router {
 		nil,   // Only needed for admin APIs.
 		"",    // This is for snapshots, which is disabled when admin APIs are disabled. Hence empty.
 		false, // Disable admin APIs.
-		util_log.Logger,
+		log.NewNopLogger(),
 		func(context.Context) v1.RulesRetriever { return &DummyRulesRetriever{} },
 		0, 0, 0, // Remote read samples and concurrency limit.
 		regexp.MustCompile(".*"),