def METHOD_NAME(monkeypatch, operation):
    """Check if test fails when read operation fails."""
    def mock_read(one, two):
        raise RuntimeError("Not working")
    monkeypatch.setattr(operation.c_stage.instance, "read", mock_read)
    with pytest.raises(CheckError) as ex:
        operation.check_read()
    assert "Not working" in str(ex.value)