flipped single qubit operator signs of H2 test back

Author: positr0nium

tests/operator_tests/test_fermionic_to_qubit.py

@@ -45,14 +45,15 @@ def test_hamiltonian_H2():
         return
 
     K = -0.812170607248714 -0.0453026155037992*X(0)*X(1)*Y(2)*Y(3) +0.0453026155037992*X(0)*Y(1)*Y(2)*X(3) +0.0453026155037992*Y(0)*X(1)*X(2)*Y(3) -0.0453026155037992*Y(0)*Y(1)*X(2)*X(3) \
-        -0.171412826447769*Z(0) +0.168688981703612*Z(0)*Z(1) +0.120625234833904*Z(0)*Z(2) +0.165927850337703*Z(0)*Z(3) -0.171412826447769*Z(1) \
-        +0.165927850337703*Z(1)*Z(2) +0.120625234833904*Z(1)*Z(3) +0.223431536908133*Z(2) +0.174412876122615*Z(2)*Z(3) +0.223431536908133*Z(3)
+        +0.171412826447769*Z(0) +0.168688981703612*Z(0)*Z(1) +0.120625234833904*Z(0)*Z(2) +0.165927850337703*Z(0)*Z(3) +0.171412826447769*Z(1) \
+        +0.165927850337703*Z(1)*Z(2) +0.120625234833904*Z(1)*Z(3) -0.223431536908133*Z(2) +0.174412876122615*Z(2)*Z(3) -0.223431536908133*Z(3)
 
     mol = gto.M(
         atom = '''H 0 0 0; H 0 0 0.74''',
         basis = 'sto-3g')
 
     H = create_electronic_hamiltonian(mol).to_qubit_operator().to_pauli().hermitize()
     G = K-H
+    
     G.apply_threshold(1e-4)
     assert str(G)=='0'