No need to use output control, assign directly

Author: weynhamz

tests/PHPCtagsTest.php

@@ -52,18 +52,15 @@ public function provider()
     public function testExport($testcase)
     {
         require_once __DIR__ . '/testcases/' . $testcase;
+
         $testcase_id = strstr($testcase, '.', true);
         $testcase_class = 't_' . $testcase_id;
         $testcase_object = new $testcase_class;
-
         $testcase_expect = $testcase_object->getExpectResult();
-
-        ob_start();
-        $testcase_example = $testcase_object->getExample();
-        $testcase_options = $testcase_object->getOptions();
-        echo $this->object->export($testcase_example, $testcase_options);
-        $testcase_result = ob_get_contents();
-        ob_end_clean();
+        $testcase_result = $this->object->export(
+            $testcase_object->getExample(),
+            $testcase_object->getOptions()
+        );
 
         $expected_result = __DIR__ . '/' . $testcase_id . '.testcase.expect';
         $acctural_result = __DIR__ . '/' . $testcase_id . '.testcase.result';