Fix tests

Author: mlanin

composer.json

@@ -15,7 +15,7 @@
         "illuminate/support": "^7.0"
     },
     "require-dev": {
-        "orchestra/testbench": "^4.0",
+        "orchestra/testbench": "^5.0",
         "phpunit/phpunit": "^8.0",
         "mockery/mockery": "^1.0"
     },