update README & tests

Author: PapiHack

README.md

@@ -1,6 +1,6 @@
 # PayTech - PHP API Client
 
-[![Coverage Status](https://img.shields.io/badge/coverage-99.25%25-success)](https://coveralls.io/github/PapiHack/paytech-php-client?branch=master)
+[![Coverage Status](https://img.shields.io/badge/coverage-95.35%-success)](https://coveralls.io/github/PapiHack/paytech-php-client?branch=master)
 ![Issues](https://img.shields.io/github/issues/PapiHack/paytech-php-client)
 ![PR](https://img.shields.io/github/issues-pr/PapiHack/paytech-php-client)
 [![Latest Stable Version](https://poser.pugx.org/papihack/paytech-php-client/v)](//packagist.org/packages/papihack/paytech-php-client)

tests/Unit/PayTech/ConfigTest.php

@@ -37,8 +37,7 @@
      Config::setApiKey('saplspalsa4545s4a5s4');
      Config::setApiSecret('saplspalsa4545s4a5s4');
      Config::setCurrency(\PayTech\Enums\Currency::USD);
-     Config::setLiveMode(false);
-     Config::setTestMode(true);
+     Config::setEnv(\PayTech\Enums\Environment::TEST);
      Config::setIsMobile(false);
      Config::setIpnUrl('http://papihack/dashboard/');
      Config::setSuccessUrl('http://papihack/dashboard/');