Launches the browser for the given profile name.
        It is assumed the profile already exists.

def launch_browser(self, profile, timeout=30):
        """Launches the browser for the given profile name.
        It is assumed the profile already exists.
        """
        self.profile = profile

        self._start_from_profile_path(self.profile.path)
        self._wait_until_connectable(timeout=timeout)