Wait for servers to close at end of test suite (#362)

wait for servers to close

packages/pds/package.json

@@ -10,7 +10,7 @@
     "start": "node dist/bin.js",
     "test": "jest",
     "test:pg": "../pg/with-test-db.sh yarn test",
-    "test:log": "cat test.log | pino-pretty",
+    "test:log": "tail -50 test.log | pino-pretty",
     "test:updateSnapshot": "jest --updateSnapshot",
     "prettier": "prettier --check src/",
     "prettier:fix": "prettier --write src/",

packages/pds/tests/_util.ts

@@ -1,4 +1,5 @@
 import { AddressInfo } from 'net'
+import http from 'http'
 import * as crypto from '@atproto/crypto'
 import * as plc from '@atproto/plc'
 import { AtUri } from '@atproto/uri'
@@ -83,14 +84,23 @@ export const runTestServer = async (
     close: async () => {
       await Promise.all([
         db.close(),
-        listener.close(),
-        plcServer.listener.close(),
+        closeServer(listener),
+        closeServer(plcServer.listener),
         plcDb.close(),
       ])
     },
   }
 }
 
+const closeServer = (s: http.Server): Promise<void> => {
+  return new Promise((resolve, reject) => {
+    s.close((err) => {
+      if (err) reject(err)
+      resolve()
+    })
+  })
+}
+
 export const adminAuth = () => {
   return (
     'Basic ' +