def METHOD_NAME(self):
    vector_2 = self.ellipse.normal.cross(self.ellipse.major_dir)
    ellipse_2d = self.ellipse.to_2d(self.ellipse.center, self.ellipse.major_dir, vector_2)
    self.assertEqual(volmdlr.O2D, ellipse_2d.center)
    self.assertEqual(volmdlr.X2D, ellipse_2d.major_dir)