Update deps and fix tests

composer.json

@@ -33,7 +33,7 @@
         "alt-three/logger": "^1.3",
         "alt-three/throttle": "^1.0",
         "alt-three/twitter": "^1.0",
-        "alt-three/validator": "^1.5",
+        "alt-three/validator": "^2.0",
         "aws/aws-sdk-php": "^3.7",
         "backup-manager/laravel": "^1.1",
         "barryvdh/laravel-cors": "^0.8",
@@ -60,7 +60,7 @@
         "filp/whoops": "^2.1",
         "fzaninotto/faker": "^1.6",
         "graham-campbell/testbench-core": "^1.1",
-        "laravel/browser-kit-testing": "^1.0",
+        "laravel/browser-kit-testing": "^2.0",
         "mockery/mockery": "0.9.5",
         "nikic/php-parser": "^3.0",
         "phpunit/phpunit": "5.7.20",