public async Task Get_Trades_By_Symbol_Valid_Count() { string symbol = "REL"; var builder = new DbContextOptionsBuilder <ExchangeContext>(); builder.UseInMemoryDatabase(databaseName: "TestTrade2"); var context = new ExchangeContext(builder.Options); exchangeContextInit(context); var repo = new TradeRepository(context); var result = await repo.GetBySymbol(symbol) as List <Trade>;; var count = result.Count; Assert.AreEqual(2, count); }