~ fix FeatureTestCaseTest output buffer where not closed correctly

Signed-off-by: Christoph Potas <christoph286@googlemail.com>

Author: puschie286

system/Test/FeatureTestCase.php

@@ -34,6 +34,8 @@ class FeatureTestCase extends CIDatabaseTestCase
 	 */
 	protected $session = [];
 
+	protected $clean = true;
+
 	/**
 	 * Sets a RouteCollection that will override
 	 * the application's route collection.
@@ -115,7 +117,7 @@ public function call(string $method, string $path, array $params = null)
 			->run($this->routes, true);
 
 		// Clean up any open output buffers
-		if (ob_get_level() > 0)
+		if (ob_get_level() > 0 && $this->clean)
 		{
 			ob_end_clean();
 		}

tests/system/Test/FeatureTestCaseTest.php

@@ -14,6 +14,7 @@ public function setUp()
 		parent::setUp();
 
 		$this->skipEvents();
+		$this->clean = false;
 	}
 
 	public function testCallGet()