HiGall bladder surgery
has no relation to testicular pain
Pain can occur in the testis due to many reasons like infection,torsion etc.
Please get a Colour doppler of scrotum and confirm correct diagnosis.
Till then,please take Skeletal muscle relaxant
Swelling of epididymis
due to infection or cyst can be easily diagnosed by colour doppler.
Sometimes,there will be no cause for the pain.It is called idiopathic.
So,get investigated with colour doppler of scrotum and proceed.
Wish you good health