Updated VNF member identifier

This change updates all the references to VNF member identifiers
that were previously used in the packages. Instead of 1 and 2, they
have now a meaningful name, and the tests need to be updated because
of that.

Change-Id: I7cff4cc0f9b16c1c85aa91b49294c3977e2bebda
Signed-off-by: aguilard <e.dah.tid@telefonica.com>
Signed-off-by: garciadeblas <gerardo.garciadeblas@telefonica.com>
diff --git a/robot-systest/testsuite/basic_07-secure_key_management.robot b/robot-systest/testsuite/basic_07-secure_key_management.robot
index 8d57bb6..f69420b 100644
--- a/robot-systest/testsuite/basic_07-secure_key_management.robot
+++ b/robot-systest/testsuite/basic_07-secure_key_management.robot
@@ -43,7 +43,7 @@
 ${password}   osm4u
 
 ${action_name}   touch
-${vnf_member_index}   1
+${vnf_member_index}   vnf1
 ${day_1_file_name}   /home/ubuntu/first-touch
 ${day_2_file_name}   /home/ubuntu/mytouch1