Fix test_file_action_with_values() to finish the action

[gw1] darwin -- Python 3.9.2 /Users/runner/work/nuxeo-drive/nuxeo-drive/.tox/base/bin/python

    def test_tooltip():
        @tooltip("Testing tooltip!")
        def function(a, b=1):
            # There should be 1 action, automatically created by the decorator
            action = Action.get_current_action()
            assert action
            assert action.type == "Testing tooltip!"
    
            return a * b
    
        # There is no Action right now
>       assert Action.get_current_action() is None
E       AssertionError: assert Mocking('test.odt'[42]-100.0) is None
E        +  where Mocking('test.odt'[42]-100.0) = <function Action.get_current_action at 0x108e51f70>()
E        +    where <function Action.get_current_action at 0x108e51f70> = Action.get_current_action

function   = <function tooltip.<locals>.action_decorator.<locals>.func_wrapper at 0x109580a60>

tests/unit/test_action.py:203: AssertionError