fix test

Author: wxiaoguang

modules/util/sec_to_time.go

@@ -22,7 +22,7 @@ func SecToHours(durationVal any) string {
 	formattedTime = formatTime(minutes, "minute", formattedTime)
 
 	// The formatTime() function always appends a space at the end. This will be trimmed
-	if formattedTime == "" {
+	if formattedTime == "" && seconds > 0 {
 		formattedTime = formatTime(seconds, "second", "")
 	}
 	return strings.TrimRight(formattedTime, " ")

modules/util/sec_to_time_test.go

@@ -24,4 +24,5 @@ func TestSecToHours(t *testing.T) {
 	assert.Equal(t, "672 hours", SecToHours(4*7*day))
 	assert.Equal(t, "1 second", SecToHours(1))
 	assert.Equal(t, "2 seconds", SecToHours(2))
+	assert.Equal(t, "", SecToHours(nil)) // old behavior, empty means no output
 }