tests: change usleep() to sleep()

While running a test case the following warning messages are seen
on the display. To avoid suh warnings changing usleep() to sleep().

warning: usleep is deprecated, and will be removed in near future!
warning: use "sleep 0.25" instead...

updates: bz#1193929
Signed-off-by: Sanju Rakonde <srakonde@redhat.com>

Change-Id: I48b79ede1c70b101f654635dd4cc83e50ea55b73

1 files changed, 1 insertions, 1 deletions

diff --git a/tests/volume.rc b/tests/volume.rc
index 71d7fed9c87..f652a5b0099 100644
--- a/tests/volume.rc
+++ b/tests/volume.rc
@@ -131,7 +131,7 @@ function wait_statedump_ready {
                                 return
                         fi
                 fi
-                usleep 100000
+                sleep 0.1
         done
 
         echo "nostatedump"