The original circuit implemented to perform the unit test from ibm_quantum_widgets import CircuitComposer from qiskit import QuantumRegister, ClassicalRegister, QuantumCircuit from numpy import pi qreg_q0 = QuantumRegister(3, 'q0') creg_c0 = ClassicalRegister(1, 'c0') circuit = QuantumCircuit(qreg_q0, creg_c0) circuit.reset(qreg_q0[0]) circuit.reset(qreg_q0[1]) circuit.reset(qreg_q0[2]) circuit.x(qreg_q0[1]) circuit.ccx(qreg_q0[0], qreg_q0[1], qreg_q0[2]) circuit.measure(qreg_q0[2], creg_c0[0]) editor = CircuitComposer(circuit=circuit) editor CircuitComposer(circuit=<qiskit.circuit.quantumcircuit.QuantumCircuit object at 0x7f7096651120>)