public async Task GetFileBase64_Valid_Test()
{
// Arrange
_cityDocumentsService
.Setup(c => c.DownloadFileAsync(It.IsAny <string>()))
.ReturnsAsync(It.IsAny <string>());
CitiesController citycon = CreateCityController;
_cityParticipantsService.Setup(c => c.RemoveAdministratorAsync(It.IsAny <int>()));
// Act
var result = await citycon.GetFileBase64(GetFakeFileName());
// Assert
Assert.NotNull(result);
Assert.IsInstanceOf <OkObjectResult>(result);
}
