chore: introduce silent test logger config

protocol/tt/logger.go

@@ -12,8 +12,7 @@ var registerOnce sync.Once
 
 // MustCreateTestLogger returns a logger based on the passed flags.
 func MustCreateTestLogger() *zap.Logger {
-	cfg := zap.NewDevelopmentConfig()
-	return MustCreateTestLoggerWithConfig(cfg)
+	return MustCreateTestLoggerWithConfig(loggerConfig())
 }
 
 func MustCreateTestLoggerWithConfig(cfg zap.Config) *zap.Logger {

protocol/tt/logger_config_dev.go

@@ -0,0 +1,9 @@
+//go:build !test_silent
+
+package tt
+
+import "go.uber.org/zap"
+
+func loggerConfig() zap.Config {
+	return zap.NewDevelopmentConfig()
+}

protocol/tt/logger_config_silent.go

@@ -0,0 +1,11 @@
+//go:build test_silent
+
+package tt
+
+import "go.uber.org/zap"
+
+func loggerConfig() zap.Config {
+	config := zap.NewProductionConfig()
+	config.Level = zap.NewAtomicLevelAt(zap.WarnLevel)
+	return config
+}