[VOL-2694] Use package specific logger instance in all log statements

Change-Id: Icf1cb5ade42e42179aed7731b767af2f52481e3d
diff --git a/tests/utils/test_utils.go b/tests/utils/test_utils.go
index 655e942..3aaf89b 100644
--- a/tests/utils/test_utils.go
+++ b/tests/utils/test_utils.go
@@ -16,7 +16,7 @@
  * limitations under the License.
  */
 
-package core
+package utils
 
 import (
 	"context"
@@ -455,19 +455,19 @@
 func StopSimulatedEnv(composePath string) error {
 	err := stopSimulatedOLTAndONUAdapters(composePath)
 	if err != nil {
-		log.Errorw("unable-to-stop-simulated-olt-onu-adapters", log.Fields{"error": err})
+		logger.Errorw("unable-to-stop-simulated-olt-onu-adapters", log.Fields{"error": err})
 	}
 	err = stopCore(composePath)
 	if err != nil {
-		log.Errorw("unable-to-stop-core", log.Fields{"error": err})
+		logger.Errorw("unable-to-stop-core", log.Fields{"error": err})
 	}
 	err = stopKafka(composePath)
 	if err != nil {
-		log.Errorw("unable-to-stop-kafka", log.Fields{"error": err})
+		logger.Errorw("unable-to-stop-kafka", log.Fields{"error": err})
 	}
 	err = stopEtcd(composePath)
 	if err != nil {
-		log.Errorw("unable-to-stop-etcd", log.Fields{"error": err})
+		logger.Errorw("unable-to-stop-etcd", log.Fields{"error": err})
 	}
 	return nil
 }