diff --git a/test/data/core/dont_return.php b/test/data/core/dont_return.php
index 3ac56e1ef..4168cb3f7 100644
--- a/test/data/core/dont_return.php
+++ b/test/data/core/dont_return.php
@@ -1,3 +1,3 @@
 <?php
-sleep(10000);
+sleep(100000);
 ?>
diff --git a/test/data/core/dynamic_ready.html b/test/data/core/dynamic_ready.html
index 799145b98..3b29c1104 100644
--- a/test/data/core/dynamic_ready.html
+++ b/test/data/core/dynamic_ready.html
@@ -28,7 +28,7 @@
 		timeoutId = setTimeout(function () {
 			timeoutFired = true;
 			window.parent.iframeCallback( false );
-		}, 3000);
+		}, 10000);
 	});
 </script>
 </body>