Removed closing PHP tags, replaced with a comment block identifying the end of the file
diff --git a/system/language/english/unit_test_lang.php b/system/language/english/unit_test_lang.php
index a33cad5..26fc21a 100644
--- a/system/language/english/unit_test_lang.php
+++ b/system/language/english/unit_test_lang.php
@@ -19,4 +19,6 @@
$lang['ut_resource'] = 'Resource';
$lang['ut_null'] = 'Null'
-?>
\ No newline at end of file
+
+/* End of file unit_test_lang.php */
+/* Location: ./system/language/english/unit_test_lang.php */
\ No newline at end of file