Market orders matching with other market orders when "best limit" is defined

MatchingEngine.MarketOrders.feature

  Scenario: Matching incoming Buy market order against Sell market order when another - limit - Sell order present
    Given the following orders are submitted in this order:
      | Broker | Side | Qty | Price |
      | A      | Sell | 100 | MO    |
      | B      | Sell | 100 | 10.5  |
    Then market order book looks like:
      | Broker | Qty | Price | Price | Qty | Broker |
      |        |     |       | MO    | 100 | A      |
      |        |     |       | 10.5  | 100 | B      |
    When the following orders are submitted in this order:
      | Broker | Side | Qty | Price |
      | C      | Buy  | 100 | MO    |
    Then the following trades are generated:
      | Buying broker | Selling broker | Qty | Price |
      | C             | A              | 100 | 10.5  |
    And market order book looks like:
      | Broker | Qty | Price | Price | Qty | Broker |
      |        |     |       | 10.5  | 100 | B      |

  Scenario: Matching incoming Sell market order against Buy market order when another - limit - Buy order present
    Given the following orders are submitted in this order:
      | Broker | Side | Qty | Price |
      | A      | Buy  | 100 | MO    |
      | B      | Buy  | 100 | 10.5  |
    Then market order book looks like:
      | Broker | Qty | Price | Price | Qty | Broker |
      | A      | 100 | MO    |       |     |        |
      | B      | 100 | 10.5  |       |     |        |
    When the following orders are submitted in this order:
      | Broker | Side | Qty | Price |
      | C      | Sell | 100 | MO    |
    Then the following trades are generated:
      | Buying broker | Selling broker | Qty | Price |
      | A             | C              | 100 | 10.5  |
    And market order book looks like:
      | Broker | Qty | Price | Price | Qty | Broker |
      | B      | 100 | 10.5  |       |     |        |