[VOL-2356] removed Panic loglevel and added a method to convert loglevel from string to int

Change-Id: Idce562fd3da49004878ddf7dec5680c19e58b7bc
diff --git a/pkg/db/backend_test.go b/pkg/db/backend_test.go
index 5629355..6d2fb8a 100644
--- a/pkg/db/backend_test.go
+++ b/pkg/db/backend_test.go
@@ -30,7 +30,7 @@
 )
 
 func init() {
-	log.AddPackage(log.JSON, log.PanicLevel, nil)
+	log.AddPackage(log.JSON, log.FatalLevel, nil)
 }
 
 const (