Remove unnecessary ob_end_clean() from template tests

tests/lib/template.php

@@ -30,7 +30,6 @@ class Test_TemplateFunctions extends UnitTestCase {
 		ob_start();
 		p($htmlString);
 		$result = ob_get_clean();
-		ob_end_clean();
 
 		$this->assertEqual("<script>alert('xss');</script>", $result);
 	}
@@ -40,7 +39,6 @@ class Test_TemplateFunctions extends UnitTestCase {
 		ob_start();
 		p($normalString);
 		$result = ob_get_clean();
-		ob_end_clean();
 
 		$this->assertEqual("This is a good string!", $result);
 	}
@@ -52,7 +50,6 @@ class Test_TemplateFunctions extends UnitTestCase {
 		ob_start();
 		print_unescaped($htmlString);
 		$result = ob_get_clean();
-		ob_end_clean();
 
 		$this->assertEqual($htmlString, $result);
 	}
@@ -62,7 +59,6 @@ class Test_TemplateFunctions extends UnitTestCase {
 		ob_start();
 		print_unescaped($normalString);
 		$result = ob_get_clean();
-		ob_end_clean();
 
 		$this->assertEqual("This is a good string!", $result);
 	}