[#180] node: Refactor panics in unit test

* Replace panics in unit tests by require.NoError and t.Fatalf

Signed-off-by: Airat Arifullin <a.arifullin@yadro.com>

pkg/util/logger/test/logger.go

@@ -1,7 +1,10 @@
 package test
 
 import (
+	"testing"
+
 	"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/util/logger"
+	"github.com/stretchr/testify/require"
 	"go.uber.org/zap"
 	"go.uber.org/zap/zapcore"
 )
@@ -11,7 +14,7 @@ const sampling = 1000
 // NewLogger creates a new logger.
 //
 // If debug, development logger is created.
-func NewLogger(debug bool) *logger.Logger {
+func NewLogger(t testing.TB, debug bool) *logger.Logger {
 	var l logger.Logger
 	l.Logger = zap.L()
 
@@ -25,10 +28,7 @@ func NewLogger(debug bool) *logger.Logger {
 		cfg.EncoderConfig.EncodeLevel = zapcore.CapitalColorLevelEncoder
 
 		log, err := cfg.Build()
-		if err != nil {
-			panic("could not prepare logger: " + err.Error())
-		}
-
+		require.NoError(t, err, "could not prepare logger")
 		l.Logger = log
 	}