Fix tests for JupyterLab 3.3

Author: krassowski

atest/Keywords.resource

@@ -375,7 +375,11 @@ Open File
 
 Open in Advanced Settings
     [Arguments]    ${plugin id}
-    Lab Command    Advanced Settings Editor
+    IF   '${LAB VERSION}'.startswith('3.3')
+      Lab Command    Advanced JSON Settings Editor
+    ELSE
+      Lab Command    Advanced Settings Editor
+    END
     ${sel} =    Set Variable    css:[data-id="${plugin id}"]
     Wait Until Page Contains Element    ${sel}
     Click Element    ${sel}