Fix error message in run_test.sh for create_k8scluster

Change-Id: Ice2e0bc5e829e31a81cbde30ea6784de64d8ca63
Signed-off-by: garciadeblas <gerardo.garciadeblas@telefonica.com>
diff --git a/robot-systest/run_test.sh b/robot-systest/run_test.sh
index 038ea03..01792dd 100755
--- a/robot-systest/run_test.sh
+++ b/robot-systest/run_test.sh
@@ -67,7 +67,7 @@
         ((attempts--))
     done
     if [ $attempts -lt 0 ] ; then
-        echo "VIM failed to enter ENABLED state"
+        echo "K8s cluster failed to enter ENABLED state"
         exit 1
     fi
 }