Fix tests

composer.lock

@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "d79b05dfd2bb6a2e053eaf534d42622e",
+    "content-hash": "0a56121050b75bd49d4d924464422c39",
     "packages": [
         {
             "name": "bacon/bacon-qr-code",
@@ -3023,7 +3023,10 @@
             ],
             "type": "library",
             "extra": {
-                "branch-alias": []
+                "branch-alias": [],
+                "patches_applied": {
+                    "Fix Codeception compatibility with PHPUnit8": "patches/codeception-phpunit-8-fix.patch"
+                }
             },
             "autoload": {
                 "psr-4": {
@@ -3271,6 +3274,50 @@
             ],
             "time": "2019-01-28T20:25:53+00:00"
         },
+        {
+            "name": "cweagans/composer-patches",
+            "version": "1.6.7",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/cweagans/composer-patches.git",
+                "reference": "2e6f72a2ad8d59cd7e2b729f218bf42adb14f590"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/cweagans/composer-patches/zipball/2e6f72a2ad8d59cd7e2b729f218bf42adb14f590",
+                "reference": "2e6f72a2ad8d59cd7e2b729f218bf42adb14f590",
+                "shasum": ""
+            },
+            "require": {
+                "composer-plugin-api": "^1.0",
+                "php": ">=5.3.0"
+            },
+            "require-dev": {
+                "composer/composer": "~1.0",
+                "phpunit/phpunit": "~4.6"
+            },
+            "type": "composer-plugin",
+            "extra": {
+                "class": "cweagans\\Composer\\Patches"
+            },
+            "autoload": {
+                "psr-4": {
+                    "cweagans\\Composer\\": "src"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "BSD-3-Clause"
+            ],
+            "authors": [
+                {
+                    "name": "Cameron Eagans",
+                    "email": "me@cweagans.net"
+                }
+            ],
+            "description": "Provides a way to patch Composer packages.",
+            "time": "2019-08-29T20:11:49+00:00"
+        },
         {
             "name": "doctrine/instantiator",
             "version": "1.3.0",