Your requirements could not be resolved to an installable set of packages. Problem 1 - Root composer.json requires orchestra/testbench ^9.0, found orchestra/testbench[9.x-dev] but it does not match your minimum-stability. Problem 2 - Root composer.json requires phpunit/phpunit ~11.0.0, found phpunit/phpunit[dev-main, 11.0.x-dev (alias of dev-main)] but it does not match your minimum-stability. Problem 3 - Root composer.json requires laravel/browser-kit-testing dev-develop -> satisfiable by laravel/browser-kit-testing[dev-develop]. - laravel/browser-kit-testing dev-develop requires phpunit/phpunit ^10.0.7 -> found phpunit/phpunit[10.0.7, ..., 10.5.1] but it conflicts with your root composer.json require (~11.0.0).