working on tests

--HG--
rename : alvi/tests/scenes/__init__.py => alvi/tests/resources/client/local_python_client/scenes/__init__.py
rename : alvi/tests/scenes/graph/__init__.py => alvi/tests/resources/client/local_python_client/scenes/graph/__init__.py
rename : alvi/tests/scenes/graph/add_multi_marker.py => alvi/tests/resources/client/local_python_client/scenes/graph/add_multi_marker.py
rename : alvi/tests/scenes/graph/create_node.py => alvi/tests/resources/client/local_python_client/scenes/graph/create_node.py
rename : alvi/tests/scenes/graph/remove_node.py => alvi/tests/resources/client/local_python_client/scenes/graph/remove_node.py
rename : alvi/tests/scenes/graph/update_node.py => alvi/tests/resources/client/local_python_client/scenes/graph/update_node.py