def METHOD_NAME(self):
    """
    Test the gb generator for the regular case of the benchmark study. No coarsening
    is applied.
    """
    self.mdg, self.domain = pp.md_grids_2d.benchmark_regular(
        {"mesh_size_frac": 1 / 2}
    )
    self.check_matrix("simplex")
    self.check_fractures(6, [7, 7, 4, 4, 2, 2])
    self.check_intersections(9)
    self.check_domain(1, 1)