Your requirements could not be resolved to an installable set of packages. Problem 1 - Root composer.json requires laravel/framework dev-master as 11 -> satisfiable by laravel/framework[dev-master]. - Root composer.json requires orchestra/testbench ^3.1|^4.0|^5.0|^6.0|^7.0|^8.0|^9.0 -> satisfiable by orchestra/testbench[v3.1.0, ..., 3.9.x-dev, v4.0.0, ..., 4.x-dev, v5.0.0, ..., 5.x-dev, v6.0.0, ..., 6.x-dev, v7.0.0, ..., 7.x-dev, v8.0.0, ..., 8.x-dev, v9.0.0, ..., 9.x-dev]. - orchestra/testbench[v3.1.0, ..., v3.1.3] require laravel/framework ~5.1.0 -> found laravel/framework[v5.1.0, ..., 5.1.x-dev] but it conflicts with your root composer.json require (dev-master as 11). - orchestra/testbench[v3.1.7, ..., 3.1.x-dev] require laravel/framework ~5.1.27 -> found laravel/framework[v5.1.27, ..., 5.1.x-dev] but it conflicts with your root composer.json require (dev-master as 11). - orchestra/testbench[v3.1.4, ..., v3.1.6] require laravel/framework ~5.1.11 -> found laravel/framework[v5.1.11, ..., 5.1.x-dev] but it conflicts with your root composer.json require (dev-master as 11). - orchestra/testbench v3.2.0 requires laravel/framework ~5.2.0 -> found laravel/framework[v5.2.0-beta1, ..., 5.2.x-dev] but it conflicts with your root composer.json require (dev-master as 11). - orchestra/testbench[v3.2.1, ..., v3.2.2] require laravel/framework ~5.2.7 -> found laravel/framework[v5.2.7, ..., 5.2.x-dev] but it conflicts with your root composer.json require (dev-master as 11). - orchestra/testbench v3.2.3 requires laravel/framework ~5.2.15 -> found laravel/framework[v5.2.15, ..., 5.2.x-dev] but it conflicts with your root composer.json require (dev-master as 11). - orchestra/testbench[v3.2.4, ..., 3.2.x-dev] require laravel/framework ~5.2.28 -> found laravel/framework[v5.2.28, ..., 5.2.x-dev] but it conflicts with your root composer.json require (dev-master as 11). - orchestra/testbench v3.3.0 requires laravel/framework ~5.3.0 -> found laravel/framework[v5.3.0-RC1, ..., 5.3.x-dev] but it conflicts with your root composer.json require (dev-master as 11). - orchestra/testbench[v3.3.1, ..., v3.3.3] require laravel/framework ~5.3.3 -> found laravel/framework[v5.3.3, ..., 5.3.x-dev] but it conflicts with your root composer.json require (dev-master as 11). - orchestra/testbench v3.3.4 requires laravel/framework ~5.3.11 -> found laravel/framework[v5.3.11, ..., 5.3.x-dev] but it conflicts with your root composer.json require (dev-master as 11). - orchestra/testbench[v3.3.5, ..., 3.3.x-dev] require laravel/framework ~5.3.29 -> found laravel/framework[v5.3.29, v5.3.30, v5.3.31, 5.3.x-dev] but it conflicts with your root composer.json require (dev-master as 11). - orchestra/testbench[v3.4.0, ..., v3.4.5] require laravel/framework ~5.4.0 -> found laravel/framework[v5.4.0, ..., 5.4.x-dev] but it conflicts with your root composer.json require (dev-master as 11). - orchestra/testbench[v3.4.7, ..., v3.4.10] require laravel/framework ~5.4.17 -> found laravel/framework[v5.4.17, ..., 5.4.x-dev] but it conflicts with your root composer.json require (dev-master as 11). - orchestra/testbench[v3.4.11, ..., 3.4.x-dev] require laravel/framework ~5.4.36 -> found laravel/framework[v5.4.36, 5.4.x-dev] but it conflicts with your root composer.json require (dev-master as 11). - orchestra/testbench v3.4.6 requires laravel/framework ~5.4.15 -> found laravel/framework[v5.4.15, ..., 5.4.x-dev] but it conflicts with your root composer.json require (dev-master as 11). - orchestra/testbench[v3.5.0, ..., v3.5.2] require laravel/framework ~5.5.0 -> found laravel/framework[v5.5.0, ..., 5.5.x-dev] but it conflicts with your root composer.json require (dev-master as 11). - orchestra/testbench v3.5.3 requires laravel/framework ~5.5.20 -> found laravel/framework[v5.5.20, ..., 5.5.x-dev] but it conflicts with your root composer.json require (dev-master as 11). - orchestra/testbench[v3.5.4, ..., 3.5.x-dev] require laravel/framework ~5.5.34 -> found laravel/framework[v5.5.34, ..., 5.5.x-dev] but it conf