fix(actions): test actions not working with version conflict

Author: sudkumar

composer.json

@@ -29,8 +29,8 @@
         "illuminate/support": "^5.2|^6.0|^7.0"
     },
     "require-dev": {
-        "orchestra/testbench": "^4.2|^5.0",
-        "phpunit/phpunit": "^8.4"
+        "orchestra/testbench": "~3.0|^4.0|^5.0",
+        "phpunit/phpunit": "^5.3|~6.0|~8.0"
     },
     "config": {
         "optimize-autoloader": true,