private static Mock<IDatabase> CreateDatabaseMock()
{
var database = new Mock<IDatabase>();
var tasks = new InMemoryDbSet<TaskItem>();
tasks.SetPrimaryKeyField(x => x.Id);
database.SetupGet(x => x.TaskItems).Returns(tasks);
var users = new InMemoryDbSet<User>();
users.SetPrimaryKeyField(x => x.Id);
database.SetupGet(x => x.Users).Returns(users);
return database;
}