fix test

Author: baileympearson

src/client-side-encryption/auto_encrypter.ts

@@ -366,7 +366,12 @@ export class AutoEncrypter {
       return client;
     } catch (error) {
       const { message } = error;
-      if (message && (message.match(/timed out after/) || message.match(/ENOTFOUND/))) {
+      if (
+        message &&
+        (message.match(/timed out after/) ||
+          message.match(/ENOTFOUND/) ||
+          message.match(/ECONNREFUSED/))
+      ) {
         throw new MongoRuntimeError(
           'Unable to connect to `mongocryptd`, please make sure it is running or in your PATH for auto-spawn',
           { cause: error }