Return the first WEBVIEW context or raise an exception if it is not found

        :returns: first WEBVIEW context

def get_first_webview_context(self):
        """Return the first WEBVIEW context or raise an exception if it is not found

        :returns: first WEBVIEW context
        """
        for context in self.driver_wrapper.driver.contexts:
            if context.startswith('WEBVIEW'):
                return context
        raise Exception('No WEBVIEW context has been found')