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Fix failing test in legacy opmath #6272

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Sep 13, 2024
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15 changes: 10 additions & 5 deletions tests/transforms/test_diagonalize_measurements.py
Original file line number Diff line number Diff line change
Expand Up @@ -448,11 +448,16 @@ def test_with_duplicate_measurements(self, to_eigvals, supported_base_obs):
new_tape = tapes[0]

if to_eigvals:
assert new_tape.measurements == [
ExpectationMP(eigvals=[1.0, -1], wires=[0]),
VarianceMP(eigvals=[2.0, 0.0, 0.0, -2.0], wires=[1, 2]),
SampleMP(eigvals=[1.0, -1.0, -1.0, 1.0], wires=[0, 2]),
]
assert len(new_tape.measurements) == 3
assert isinstance(new_tape.measurements[0], ExpectationMP)
assert isinstance(new_tape.measurements[1], VarianceMP)
assert isinstance(new_tape.measurements[2], SampleMP)
assert new_tape.measurements[0].wires == qml.wires.Wires([0])
assert new_tape.measurements[1].wires == qml.wires.Wires([1, 2])
assert new_tape.measurements[2].wires == qml.wires.Wires([0, 2])
assert np.allclose(sorted(new_tape.measurements[0]._eigvals), [-1.0, 1])
assert np.allclose(sorted(new_tape.measurements[1]._eigvals), [-2.0, 0, 0, 2.0])
assert np.allclose(sorted(new_tape.measurements[2]._eigvals), [-1.0, -1.0, 1.0, 1.0])
else:
assert new_tape.measurements == [
qml.expval(Z(0)),
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