Keys 'graph_mode', 'graph_measure' and 'graph_groupbys' can be specified in the context and must be used by the graph view to determine the default mode, meadure and groupbys. Before this rev., those keys were simply ignored.
allowing to properly save the current state (mode, measure, groupbys) of the view in the Favorites or add it to the dashboard.
For consistency, every static test folder should be named 'tests', with a s.