VOL-1900 lint warning fixes tests

Change-Id: Ic309e11913134cf559fd80cefcf5ded815bb52dc
diff --git a/tests/kafka/kafka_client_test.go b/tests/kafka/kafka_client_test.go
index 0c3f657..7309840 100644
--- a/tests/kafka/kafka_client_test.go
+++ b/tests/kafka/kafka_client_test.go
@@ -19,6 +19,10 @@
 
 import (
 	"fmt"
+	"os"
+	"testing"
+	"time"
+
 	"github.com/golang/protobuf/ptypes"
 	"github.com/golang/protobuf/ptypes/any"
 	"github.com/google/uuid"
@@ -26,9 +30,6 @@
 	"github.com/opencord/voltha-lib-go/v2/pkg/log"
 	ic "github.com/opencord/voltha-protos/v2/go/inter_container"
 	"github.com/stretchr/testify/assert"
-	"os"
-	"testing"
-	"time"
 )
 
 /*