Fixed linter in integration tests (#2177)

* Fixed linter

Signed-off-by: Marco Pracucci <[email protected]>

Author: pracucci

integration/backward_compatibility_test.go

@@ -14,7 +14,6 @@ import (
 )
 
 const (
-	networkName = "e2e-cortex-test"
 	// If you change the image tag, remember to update it in the preloading done
 	// by CircleCI too (see .circleci/config.yml).
 	previousVersionImage = "quay.io/cortexproject/cortex:v0.6.0"

integration/configs.go

@@ -9,6 +9,7 @@ import (
 )
 
 const (
+	networkName            = "e2e-cortex-test"
 	cortexConfigFile       = "config.yaml"
 	cortexSchemaConfigFile = "schema.yaml"
 	cortexSchemaConfigYaml = `configs:

pkg/util/grpcclient/ratelimit_test.go

@@ -8,7 +8,7 @@ import (
 	"google.golang.org/grpc"
 	"google.golang.org/grpc/codes"
 	"google.golang.org/grpc/status"
-	
+
 	"github.com/cortexproject/cortex/pkg/util/grpcclient"
 )