public void DoesUserExist_ReturnTrue_WhenConnection()
{
// Arrange
var mock = new Mock <IDataBase>();
mock.Setup(o => o.ConnectToDataBase()).Returns(true);
var dbAccessor = new DbAccessor(mock.Object);
// Act
bool exist = dbAccessor.DoesUserExist(1234);
// Assert
Assert.IsTrue(exist);
}
