Moves sdk instance to a reusable property.

Author: dsposito

tests/Unit/SDKTest.php

@@ -6,14 +6,19 @@
 
 class SDKTest extends \PHPUnit_Framework_TestCase
 {
-    public function testContainsDynamicProperties()
+    protected $sdk;
+
+    public function setUp()
     {
-        $sdk = new SDK(['api_key' => 'D74KLJ345UH9SHDF1', 'summary_length' => 5]);
+        $this->sdk = new SDK(['api_key' => 'D74KLJ345UH9SHDF1', 'summary_length' => 5]);
+    }
 
-        $this->assertObjectHasAttribute('api_key', $sdk);
-        $this->assertAttributeEquals('D74KLJ345UH9SHDF1', 'api_key', $sdk);
+    public function testContainsDynamicProperties()
+    {
+        $this->assertObjectHasAttribute('api_key', $this->sdk);
+        $this->assertAttributeEquals('D74KLJ345UH9SHDF1', 'api_key', $this->sdk);
 
-        $this->assertObjectHasAttribute('summary_length', $sdk);
-        $this->assertAttributeEquals(5, 'summary_length', $sdk);
+        $this->assertObjectHasAttribute('summary_length', $this->sdk);
+        $this->assertAttributeEquals(5, 'summary_length', $this->sdk);
     }
 }