public async Task ContainsEntityWithMacAsync_WhenCalled_ReturnsTrue()
{
// Arange
MockSensorRepository.Setup(repository =>
repository.ContainsEntityWithMAC("1111", new CancellationToken(false)))
.ReturnsAsync(() => true);
// Act
var result = await _sensorService.ContainsEntityWithMACAsync("1111", CancellationToken.None);
// Assert
Assert.True(result);
}