def METHOD_NAME(self):
    """
    We are just making sure this works.
    Previously this pattern would hang. It isn't supposed to match due to the space before the last dollar,
    but it definitely shouldn't hang the process.
    """
    self.check_markdown(
        r'''
        $z^{[1]} = \begin{bmatrix}w^{[1]T}_1 \\ w^{[1]T}_2 \\ w^{[1]T}_3 \\ w^{[1]T}_4 \end{bmatrix} \begin{bmatrix}x_1 \\ x_2 \\ x_3 \end{bmatrix} + \begin{bmatrix}b^{[1]}_1 \\ b^{[1]}_2 \\ b^{[1]}_3 \\ b^{[1]}_4 \end{bmatrix}= \begin{bmatrix}w^{[1]T}_1 x + b^{[1]}_1 \\ w^{[1]T}_2 x + b^{[1]}_2\\ w^{[1]T}_3 x + b^{[1]}_3 \\ w^{[1]T}_4 x + b^{[1]}_4 \end{bmatrix} $
        ''',  # noqa: E501
        r'''
        <p>$z^{[1]} = \begin{bmatrix}w^{[1]T}_1 \ w^{[1]T}_2 \ w^{[1]T}_3 \ w^{[1]T}_4 \end{bmatrix} \begin{bmatrix}x_1 \ x_2 \ x_3 \end{bmatrix} + \begin{bmatrix}b^{[1]}_1 \ b^{[1]}_2 \ b^{[1]}_3 \ b^{[1]}_4 \end{bmatrix}= \begin{bmatrix}w^{[1]T}_1 x + b^{[1]}_1 \ w^{[1]T}_2 x + b^{[1]}_2\ w^{[1]T}_3 x + b^{[1]}_3 \ w^{[1]T}_4 x + b^{[1]}_4 \end{bmatrix} $</p>
        ''',  # noqa: E501
        True
    )