Updated SA_02: wait 2 minutes for the scaled VDU to appear

Change-Id: Id7d160881ce1d0cffa0d41e9001a6e82ca964639
Signed-off-by: garciadeblas <gerardo.garciadeblas@telefonica.com>
diff --git a/robot-systest/testsuite/sa_02-vnf_with_vim_metrics_and_autoscaling.robot b/robot-systest/testsuite/sa_02-vnf_with_vim_metrics_and_autoscaling.robot
index 449722b..fb9621c 100644
--- a/robot-systest/testsuite/sa_02-vnf_with_vim_metrics_and_autoscaling.robot
+++ b/robot-systest/testsuite/sa_02-vnf_with_vim_metrics_and_autoscaling.robot
@@ -106,7 +106,7 @@
 Get VDUs After Auto-scaling
     [Tags]   vnf_vim_metrics_autoscaling   sanity   regression
 
-    Sleep  1 minute  Wait for auto-scale to take place
+    Sleep  2 minutes  Wait for auto-scale to take place
     @{vdur_list}=  Get Vnf Vdur Names  ${vnf_id}
     Log List  ${vdur_list}
     ${vdurs}=  Get Length  ${vdur_list}