Core: Change the sleep time in dont_return.php from 100s to 30s

Half a minute is more than enough for the test to finish even in the slowest
browsers and in case of starving the PHP FPM process pool, one has to wait
for only half a minute to try again.

1 files changed, 1 insertions, 1 deletions

diff --git a/test/data/core/dont_return.php b/test/data/core/dont_return.php
index 45565b6e7..1eef33692 100644
--- a/test/data/core/dont_return.php
+++ b/test/data/core/dont_return.php
@@ -1,3 +1,3 @@
 <?php
-sleep(100);
+sleep(30);
 ?>