Change tag for Holmes robot tests

from small to medium

Issue-ID: OOM-53

Change-Id: I8d23fc2c7bdd7bb37413524ac0e12fbe462b1fd0
Signed-off-by: mrichomme <morgan.richomme@orange.com>
diff --git a/robot/testsuites/health-check.robot b/robot/testsuites/health-check.robot
index 0b99be4..dc335d9 100644
--- a/robot/testsuites/health-check.robot
+++ b/robot/testsuites/health-check.robot
@@ -251,11 +251,11 @@
     Run Portal Application Access Tests
 
 Basic Holmes Rule Management API Health Check
-    [Tags]    health    small
+    [Tags]    health    medium
     Run Holmes Rule Mgmt Health Check
 
 Basic Holmes Engine Management API Health Check
-    [Tags]    health    small
+    [Tags]    health    medium
     Run Holmes Engine Mgmt Health Check
 
 #Basic VVP ICE CI Container (Automat Testing) Health Check