def METHOD_NAME(self):
    """Test parameters setting."""
    for n_qubits in range(10, 100, 30):
        with self.subTest(n_qubits=n_qubits):
            fake_backend = ConfigurableFakeBackend(
                "Tashkent",
                n_qubits=n_qubits,
                version="0.0.1",
                basis_gates=["u1"],
                qubit_t1=99.0,
                qubit_t2=146.0,
                qubit_frequency=5.0,
                qubit_readout_error=0.01,
                single_qubit_gates=["u1"],
            )
            properties = fake_backend.properties()
            self.assertEqual(properties.backend_version, "0.0.1")
            self.assertEqual(properties.backend_name, "Tashkent")
            self.assertEqual(len(properties.qubits), n_qubits)
            self.assertEqual(len(properties.gates), n_qubits)
            self.assertAlmostEqual(properties.t1(0), 99e-6, places=7)
            self.assertAlmostEqual(properties.t2(0), 146e-6, places=7)
            configuration = fake_backend.configuration()
            self.assertEqual(configuration.backend_version, "0.0.1")
            self.assertEqual(configuration.backend_name, "Tashkent")
            self.assertEqual(configuration.n_qubits, n_qubits)
            self.assertEqual(configuration.basis_gates, ["u1"])