[Build] Update to stable dependencies

Author: lindyhopchris

.travis.yml

@@ -7,47 +7,38 @@ matrix:
     - php: "7.1"
       env:
         - LARAVEL_VERSION=5.5.*
-        - JSON_API_TESTING=^1.2
         - PHPUNIT_VERSION=^6.5
     - php: "7.1"
       env:
         - LARAVEL_VERSION=5.6.*
-        - JSON_API_TESTING=^1.2
         - PHPUNIT_VERSION=^7.0
     - php: "7.1"
       env:
         - LARAVEL_VERSION=5.7.*
-        - JSON_API_TESTING=^1.2
         - PHPUNIT_VERSION=^7.0
     - php: "7.2"
       env:
         - LARAVEL_VERSION=5.5.*
-        - JSON_API_TESTING=^1.2
         - PHPUNIT_VERSION=^6.5
     - php: "7.2"
       env:
         - LARAVEL_VERSION=5.8.*
-        - JSON_API_TESTING=^1.2
         - PHPUNIT_VERSION=^7.0
     - php: "7.3"
       env:
         - LARAVEL_VERSION=5.5.*
-        - JSON_API_TESTING=^1.2
         - PHPUNIT_VERSION=^6.5
     - php: "7.3"
       env:
         - LARAVEL_VERSION=5.8.*
-        - JSON_API_TESTING=^2.0
         - PHPUNIT_VERSION=^7.0
     - php: "7.3"
       env:
         - LARAVEL_VERSION=^6.0
-        - JSON_API_TESTING=^2.0
         - PHPUNIT_VERSION=^8.0
 
 install:
   - composer require "laravel/framework:${LARAVEL_VERSION}" --no-update -n
-  - composer require "cloudcreativity/json-api-testing:${JSON_API_TESTING}" --dev --no-update -n
   - composer require "phpunit/phpunit:${PHPUNIT_VERSION}" --dev --no-update -n
   - travis_retry composer install --no-suggest --prefer-dist -n -o
 

composer.json

@@ -78,7 +78,7 @@
             }
         }
     },
-    "minimum-stability": "dev",
+    "minimum-stability": "stable",
     "prefer-stable": true,
     "config": {
         "sort-packages": true