diff --git a/tests/regression/lib/TestHarness/RegressionTestHelper.php b/tests/regression/lib/TestHarness/RegressionTestHelper.php
index 08c49b7ff6..b49de22dbf 100644
--- a/tests/regression/lib/TestHarness/RegressionTestHelper.php
+++ b/tests/regression/lib/TestHarness/RegressionTestHelper.php
@@ -595,9 +595,9 @@ public function checkRawData($testName, array $input, $sort = false)
         );
         $data = str_replace("\x1e", '', $response[0]);
         if ($sort) {
-            $lines = explode("\n", $data);
+            $lines = explode("\n", rtrim($data));
             sort($lines);
-            $data = implode("\n", $lines);
+            $data = implode("\n", $lines) . "\n";
         }
         $data = preg_replace(self::$replaceRegex, self::$replacements, $data);
         if (getenv('REG_TEST_FORCE_GENERATION') === '1') {