Function calculate_commission 

pub fn calculate_commission(
    instrument: &InstrumentAny,
    last_qty: Quantity,
    last_px: Price,
    use_quote_for_inverse: Option<bool>,
    fee_rate: Decimal,
) -> Money

Calculate commission for testing.

Panics

Panics if:

• The liquidity side is NoLiquiditySide.
• fee_rate cannot be converted to f64.