Fix pollers test
Fix pollers test

* Expect either 200 or 204 status.
* Check appropriate data length depending on HTTP status.
* Remove handling for ApiError exception.

tannoa2/RackHD,patelb10/RackHD,hohene/RackHD,srinia6/RackHD,RackHD/RackHD,johren/RackHD,geoff-reid/RackHD,RackHD-Mirror/RackHD,tldavies/RackHD,uppalk1/RackHD,tannoa2/RackHD,RackHD/RackHD,changev/RackHD,stuart-stanley/RackHD,hohene/RackHD,panpan0000/RackHD,stuart-stanley/RackHD,panpan0000/RackHD,BillyAbildgaard/RackHD,uppalk1/RackHD,tannoa2/RackHD,BillyAbildgaard/RackHD,srinia6/RackHD,RackHD/RackHD,RackHD-Mirror/RackHD,johren/RackHD,tannoa2/RackHD,RackHD/RackHD,uppalk1/RackHD,patelb10/RackHD,RackHD-Mirror/RackHD,DavidjohnBlodgett/RackHD,changev/RackHD,geoff-reid/RackHD,patelb10/RackHD,hohene/RackHD,srinia6/RackHD,geoff-reid/RackHD,changev/RackHD,panpan0000/RackHD,stuart-stanley/RackHD,srinia6/RackHD,geoff-reid/RackHD,hohene/RackHD,uppalk1/RackHD,tldavies/RackHD,DavidjohnBlodgett/RackHD,RackHD-Mirror/RackHD,DavidjohnBlodgett/RackHD,changev/RackHD,BillyAbildgaard/RackHD,DavidjohnBlodgett/RackHD,panpan0000/RackHD,patelb10/RackHD,stuart-stanley/RackHD,BillyAbildgaard/RackHD,johren/RackHD,johren/RackHD,tldavies/RackHD,tldavies/RackHD