Use case-sensitive keyword Log instead of log

Change-Id: I756aedef764cdbbc91d27b6eba060cb4e5fea66b
Signed-off-by: garciadeblas <gerardo.garciadeblas@telefonica.com>
diff --git a/robot-systest/testsuite/k8s_04-openldap_helm.robot b/robot-systest/testsuite/k8s_04-openldap_helm.robot
index 4370074..214bbc6 100644
--- a/robot-systest/testsuite/k8s_04-openldap_helm.robot
+++ b/robot-systest/testsuite/k8s_04-openldap_helm.robot
@@ -83,7 +83,7 @@
     [Tags]   verify
     Variable Should Exist   ${ns_id}   msg=Network service instance is not available
     ${count}=   Get Vnf Kdu Replica Count   ${vnf_id}   ${kdu_name}
-    log   ${count}
+    Log   ${count}
     Should Be Equal As Integers   ${count}   ${replica_count}
 
 Execute Rollback Operation
@@ -95,7 +95,7 @@
     [Tags]   verify
     Variable Should Exist   ${ns_id}   msg=Network service instance is not available
     ${count}=   Get Vnf Kdu Replica Count   ${vnf_id}   ${kdu_name}
-    log   ${count}
+    Log   ${count}
     Should Be Empty   ${count}
 
 Delete Network Service Instance