private void Init()
{
var builder = new DbContextOptionsBuilder <FundraiseContext>()
.UseInMemoryDatabase("FundraiseTestDB");
var context = new FundraiseContext(builder.Options);
_campaignRepository = new CampaignRepository(context);
var currencyRepository = new CurrencyRepository(context);
usd = currencyRepository.FindByCode("USD");
if (usd == null)
{
usd = currencyRepository.Create("USD", "$", "US Dollar");
}
}