Improve shutdown in the test script

scripts/test-launch-with-different-databases.js

@@ -52,5 +52,4 @@ async function main() {
 
 main().catch((ex) => {
   console.warn(ex)
-  process.exit(1)
 })

scripts/util/database/mariadb.js

@@ -64,7 +64,11 @@ async function startMariadb() {
   }
 
   return {
-    shutdown: () => task.kill('SIGINT'),
+    shutdown: () => {
+      spawnAsync('mysql', ['-S', socketPath, '-u', 'root', '-e', 'SHUTDOWN;'], { stdio: 'inherit' }).catch((ex) => {
+        console.warn(ex)
+      })
+    },
     socketPath,
     dataDir,
     database,

scripts/util/mainapp.js

@@ -16,12 +16,15 @@
  */
 
 const { spawn } = require('child_process')
+const { resolve } = require('path')
 
 function startMainApp(env) {
+  const initPath = resolve(__dirname, '../../build/index.js')
+
   return new Promise((resolve, reject) => {
-    const task = spawn('npm', ['start'], {
+    const task = spawn('node', [initPath], {
       stdio: ['inherit', 'pipe', 'inherit'],
-      env: { ...process.env, PORT: 0 /* random port */, ...env }
+      env: { ...process.env, PORT: 0 /* random port */ }
     })
 
     task.on('exit', () => reject(new Error('task terminated too early')))