composer update

Signed-off-by: Cees-Jan Kiewiet <ceesjank@gmail.com>

Author: WyriHaximus

composer.json

@@ -11,7 +11,7 @@
   "require": {
     "php": "^7.2",
     "api-clients/cs-fixer-config": "^1.1.1",
-    "wyrihaximus/async-test-utilities": "^1.0.1"
+    "wyrihaximus/async-test-utilities": "^1.1"
   },
   "require-dev": {},
   "config": {