Added note about enableRetainFlashMessages in constraint error

cakephp · May 25, 2018 · 58d5628 · 58d5628
1 parent 88417f8
commit 58d5628
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/src/TestSuite/Constraint/Session/FlashParamEquals.php b/src/TestSuite/Constraint/Session/FlashParamEquals.php
@@ -57,7 +57,9 @@ public function __construct($session, $key, $param, $at = null)
         parent::__construct();
 
         if (!$session) {
-            throw new AssertionFailedError('There is no stored session data. Perhaps you need to run a request?');
+            $message = 'There is no stored session data. Perhaps you need to run a request?';
+            $message .= ' Additionally, ensure `$this->enableRetainFlashMessages()` has been enabled for the test.';
+            throw new AssertionFailedError($message);
         }
 
         $this->session = $session;