def show_help(self):
     """Show context help for the options dialog."""
     show_context_help('options')

 def show_help(self):
     """Load the help text for the keywords dialog."""
     show_context_help(context="keywords")

 def show_help():
     """Load the help text for the dialog."""
     show_context_help('impact_layer_merge_tool')

 def show_help(self):
     """Load the help text for the dialog."""
     show_context_help(self.help_context)

    def test_keywords_help(self):
        """Test help works with context set to 'keywords'"""

        # TODO this test is largely meaningless - try to come up with a
        # better approach...
        show_context_help(context='keywords')