diff --git a/tests/src/Kernel/MomentoCacheBackendTest.php b/tests/src/Kernel/MomentoCacheBackendTest.php
index b200363..dd5f641 100644
--- a/tests/src/Kernel/MomentoCacheBackendTest.php
+++ b/tests/src/Kernel/MomentoCacheBackendTest.php
@@ -73,13 +73,13 @@ protected function createCacheBackend($bin) {
   // to be rare in Drupal usage and is redundant anyhow. Will revisit when
   // time permits.
   // public function testTtl() {
-  //  $backend = $this->getCacheBackend();
-  //  $backend->set('test1', 1, time() + 1);
-  //  $backend->set('test2', 1);
-  //  sleep(3);
-  //  $this->assertFalse
-  //  ($backend->get('test1'), 'Cache id test1 expired.');
-  //  $this->assertNotFalse
-  //  ($backend->get('test2'), 'Cache id test2 still exists.');
+  // $backend = $this->getCacheBackend();
+  // $backend->set('test1', 1, time() + 1);
+  // $backend->set('test2', 1);
+  // sleep(3);
+  // $this->assertFalse
+  // ($backend->get('test1'), 'Cache id test1 expired.');
+  // $this->assertNotFalse
+  // ($backend->get('test2'), 'Cache id test2 still exists.');
   // }
 }