def test_ascending(self):
        x = np.random.rand()
        F_1 = self.ecdf(x)
        F_2 = self.ecdf(1.1 * x)
        self.assertGreaterEqual(F_2, F_1)
ecdf: larger values should return F(x) at least as big
dataset/ETHPy150Open QuantEcon/QuantEcon.py/quantecon/tests/test_ecdf.py/TestECDF.test_ascending