t.Fatalf("Number of logs want %v, got %v logs: %v", want, got, gotLogs)
	}

	for i, l := range gotLogs {
		// For each line, there should be two level string, e.g.
		// "2021-07-09T03:26:08.984951Z	debug	debug log"
		if got, want := strings.Count(l, wantLevels[i]), 2; want != got {
			t.Errorf("Number of log level string want %v, got %v", want, got)
		}
	}