ci: fix client integration failure (#1740)

* fix failing node-versions ci race condition

Author: ryanio

packages/client/test/integration/fullsync.spec.ts

@@ -44,9 +44,9 @@ tape('[Integration:FullSync]', async (t) => {
     localService.config.events.on(Event.SYNC_SYNCHRONIZED, async () => {
       if (localService.chain.blocks.height.toNumber() === 10) {
         t.pass('synced with best peer')
+        await destroy(localServer, localService)
         await destroy(remoteServer1, remoteService1)
         await destroy(remoteServer2, remoteService2)
-        await destroy(localServer, localService)
       }
     })
     await localService.synchronizer.start()

packages/client/test/integration/mocks/mockserver.ts

@@ -42,12 +42,8 @@ export default class MockServer extends Server {
   }
 
   async stop(): Promise<boolean> {
-    await new Promise((resolve) => {
-      setTimeout(() => {
-        destroyServer(this.location)
-        resolve(undefined)
-      }, 20)
-    })
+    await this.wait(20)
+    destroyServer(this.location)
     await super.stop()
     return this.started
   }