Add Smoke tag, remove from Sanity execution (#309)

Signed-off-by: Luca Giorgi <[email protected]>

Author: lugi0

tests/Tests/500__jupyterhub/test.robot

@@ -41,7 +41,7 @@ Can Login to Jupyterhub
    Wait Until Page Contains Element  xpath://span[@id='jupyterhub-logo']  timeout=30
 
 Can Spawn Notebook
-   [Tags]  Sanity
+   [Tags]  Sanity  Smoke
    Fix Spawner Status
    Select Notebook Image  s2i-generic-data-science-notebook
    Select Notebook Image  s2i-minimal-notebook