Revert "Test shutdown"

This reverts commit 85182e7dd1.

src/services/chart/index.ts

@@ -40,7 +40,6 @@ const charts = [
 	perUserDriveChart,
 ];
 
-if (process.env.NODE_ENV !== 'test') {
 // 20分おきにメモリ情報をDBに書き込み
 setInterval(() => {
 	for (const chart of charts) {
@@ -49,4 +48,3 @@ if (process.env.NODE_ENV !== 'test') {
 }, 1000 * 60 * 20);
 
 beforeShutdown(() => Promise.all(charts.map(chart => chart.save())));
-}