public function theUsernameShouldBe(string $username)
    {
        $toolbar = $this->getElement('Toolbar');
        $actual  = $toolbar->getAuthenticatedUserText();

        if ($username !== $actual) {
            $message = sprintf('[W807] Toolbar shows authenticated user is "%1$s", not "%2$s"', $actual, $username);
            throw new ElementTextException($message, $this->getSession()->getDriver(), $toolbar);
        }
    }