[gnome-settings-daemon/wip/hadess/old-xlibs-removal] power: Increase test timeout again

[Bastien Nocera <hadess src gnome org>]

commit 7851e67c32ddb7711e66eaf65632c1735e34c39c
Author: Bastien Nocera <hadess hadess net>
Date:   Fri Dec 7 18:18:03 2018 +0100

    power: Increase test timeout again
    
    Looks like 500 seconds is not enough to run in our CI.

 plugins/power/meson.build | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/plugins/power/meson.build b/plugins/power/meson.build
index aab650fe..10c38b27 100644
--- a/plugins/power/meson.build
+++ b/plugins/power/meson.build
@@ -136,6 +136,6 @@ test(
   test_py,
 #  args: 'PowerPluginTest.test_sleep_inactive_blank',
   env: envs,
-  timeout: 500
+  timeout: 1500
 )