Merge pull request #15 from php-api-clients/improvement-use-test-utilities-as-test-deps

Use api-clients/test-utilities for test dependencies

Author: WyriHaximus

composer.json

@@ -21,9 +21,7 @@
     "friendsofphp/php-cs-fixer": "1.11.8"
   },
   "require-dev": {
-    "phpunit/phpunit": "^5.2.3",
-    "squizlabs/php_codesniffer": "^2.6",
-    "phake/phake": "^2.3"
+    "api-clients/test-utilities": "dev-master"
   },
   "autoload": {
     "psr-4": {