nsi_lib: updated scale operation timeout in 'Execute Manual VNF Scale'

Change-Id: I413f02218ed423e1a973719bd0e2e1848690e094
Signed-off-by: aguilarherna <daguilarh@indra.es>
diff --git a/robot-systest/lib/ns_lib.robot b/robot-systest/lib/ns_lib.robot
index 57eb6f5..c81e33f 100644
--- a/robot-systest/lib/ns_lib.robot
+++ b/robot-systest/lib/ns_lib.robot
@@ -17,8 +17,8 @@
 ${ns_delete_pol_time}   15sec
 ${ns_action_max_wait_time}   1min
 ${ns_action_pol_time}   15sec
-${vnf_scale_max_wait_time}   5min
-${vnf_scale_pol_time}   30sec
+${vnf_scale_max_wait_time}   2min
+${vnf_scale_pol_time}   15sec
 
 
 *** Keywords ***
@@ -202,7 +202,7 @@
     ${osm_vnf_scale_command}=  Catenate  ${osm_vnf_scale_command}  ${ns_name}  ${vnf_member_index}
     ${rc}  ${stdout}=  Run and Return RC and Output  ${osm_vnf_scale_command}
     Should Be Equal As Integers  ${rc}  ${success_return_code}  msg=${stdout}  values=False
-    Wait Until Keyword Succeeds  ${ns_action_max_wait_time}  ${ns_action_pol_time}  Check For NS Operation Completed  ${stdout}
+    Wait Until Keyword Succeeds  ${vnf_scale_max_wait_time}  ${vnf_scale_pol_time}  Check For NS Operation Completed  ${stdout}
     [Return]  ${stdout}