Merge pull request #2 from murrant/refactor-tests

Refactor tests

Author: murrant

composer.json

@@ -22,7 +22,8 @@
         "illuminate/support": "~5.1.0|~5.2.0|~5.3.0|~5.4.0|~5.5.0|~5.6.0|~5.7.0|~5.8.0|~6.0|~7.0"
     },
     "require-dev": {
-        "phpunit/phpunit": "~4.7"
+        "phpunit/phpunit": "~4.7",
+        "orchestra/testbench": "3.1.*"
     },
     "autoload": {
         "psr-4": {