public async Task GetRegionByIdAsync_ReturnsRegionDTO()
{
// Arrange
int id = 1;
_repoWrapper
.Setup(x => x.Region.GetFirstOrDefaultAsync(It.IsAny <Expression <Func <DataAccess.Entities.Region, bool> > >(),
It.IsAny <Func <IQueryable <DataAccess.Entities.Region>, IIncludableQueryable <DataAccess.Entities.Region, object> > >()))
.ReturnsAsync(new DataAccess.Entities.Region());
_mapper.Setup(x => x.Map <DataAccess.Entities.Region, RegionDTO>(It.IsAny <DataAccess.Entities.Region>()))
.Returns(regions.First);
// Act
var result = await _regionService.GetRegionByIdAsync(id);
var actual = result.ID;
// Assert
Assert.IsInstanceOf <RegionDTO>(result);
Assert.AreEqual(1, actual);
Assert.IsNotNull(result);
}