npm install 

npx hardhat test

>   dwin
>   ✔ should return proposal zero through automatic getter
>   Basic Scenario
>     ✔ should open betting market
>     ✔ should place bets (56ms)
>     ✔ should vote (67ms)
>     ✔ should execute proposal (75ms)
>     ✔ should withdraw (107ms)
> 6 passing (4s)