public void AddBills()
{
var listOfBudgets = new CoreBudgets();
Mock <IBudgetRepository> mockBudgetRepository = new Mock <IBudgetRepository>();
mockBudgetRepository.Setup(x => x.AddBudgetAsync(listOfBudgets)).Verifiable();
var billController = new BudgetsController(mockBudgetRepository.Object);
billController.Should().NotBeNull();
}