def METHOD_NAME(kusama_manager):
    """Test `_get_account_balance()` balance calculation sums 'free' and 'reserved'
    amounts and amends the decimals using the native token decimals.
    """
    mock_node_interface = MagicMock()
    mock_node_interface.url.return_value = 'https://whatever.com'
    mock_node_interface.query.return_value = AccountInfo(
        value={
            'nonce': 617,
            'refcount': 1,
            'data': {
                'free': 92949368426409,
                'reserved': 18055333327842,
                'miscFrozen': 50000000000000,
                'feeFrozen': 1000000000000,
            },
        },
    )
    balance = kusama_manager._get_account_balance(
        account=SUBSTRATE_ACC1_KSM_ADDR,
        node_interface=mock_node_interface,
    )
    assert balance == FVal(111.004701754251)  # (free + reserved)/10**12