public void RearrangeShouldReturnJson()
{
////Arrange
providerService.Arrange(s => s.Search(Arg.IsAny <ProviderQueryModel>())).Returns(
new List <Provider>
{
Mapper.Map <Provider>(DataHelper.GetProvider()), Mapper.Map <Provider>(DataHelper.GetProvider())
});
////Act
var result = providerController.Rearrange(0, 1);
////Assert
result.Should().BeOfType(typeof(JsonResult));
}