Refactor pyelliptic tests.
Refactor pyelliptic tests.

* Rewrite tests as unittests.
* Remove execute flag from file.
* Make imports consistent with rest of code.

dionyziz/OpenBazaar,hoffmabc/OpenBazaar,dlcorporation/openbazaar,Renelvon/OpenBazaar,must-/OpenBazaar,akhavr/OpenBazaar,im0rtel/OpenBazaar,Renelvon/OpenBazaar,hoffmabc/OpenBazaar,hoffmabc/OpenBazaar,saltduck/OpenBazaar,kordless/OpenBazaar,dlcorporation/openbazaar,mirrax/OpenBazaar,freebazaar/FreeBazaar,bglassy/OpenBazaar,blakejakopovic/OpenBazaar,freebazaar/FreeBazaar,saltduck/OpenBazaar,must-/OpenBazaar,mirrax/OpenBazaar,dlcorporation/openbazaar,kordless/OpenBazaar,dlcorporation/openbazaar,freebazaar/FreeBazaar,atsuyim/OpenBazaar,tortxof/OpenBazaar,rllola/OpenBazaar,akhavr/OpenBazaar,yagoulas/OpenBazaar,dionyziz/OpenBazaar,yagoulas/OpenBazaar,bankonme/OpenBazaar,hoffmabc/OpenBazaar,NolanZhao/OpenBazaar,blakejakopovic/OpenBazaar,habibmasuro/OpenBazaar,blakejakopovic/OpenBazaar,yagoulas/OpenBazaar,habibmasuro/OpenBazaar,freebazaar/FreeBazaar,bglassy/OpenBazaar,dionyziz/OpenBazaar,blakejakopovic/OpenBazaar,bankonme/OpenBazaar,bglassy/OpenBazaar,matiasbastos/OpenBazaar,matiasbastos/OpenBazaar,must-/OpenBazaar,im0rtel/OpenBazaar,hoffmabc/OpenBazaar,STRML/OpenBazaar,NolanZhao/OpenBazaar,habibmasuro/OpenBazaar,Renelvon/OpenBazaar,NolanZhao/OpenBazaar,hoffmabc/OpenBazaar,mirrax/OpenBazaar,akhavr/OpenBazaar,Renelvon/OpenBazaar,rllola/OpenBazaar,STRML/OpenBazaar,bankonme/OpenBazaar,STRML/OpenBazaar,atsuyim/OpenBazaar,tortxof/OpenBazaar,im0rtel/OpenBazaar,dlcorporation/openbazaar,rllola/OpenBazaar,rllola/OpenBazaar,must-/OpenBazaar,NolanZhao/OpenBazaar,STRML/OpenBazaar,tortxof/OpenBazaar,atsuyim/OpenBazaar,bankonme/OpenBazaar,matiasbastos/OpenBazaar,dlcorporation/openbazaar,akhavr/OpenBazaar,matiasbastos/OpenBazaar,atsuyim/OpenBazaar,freebazaar/FreeBazaar,akhavr/OpenBazaar,yagoulas/OpenBazaar,habibmasuro/OpenBazaar,dionyziz/OpenBazaar,kordless/OpenBazaar,kordless/OpenBazaar,saltduck/OpenBazaar,saltduck/OpenBazaar,bglassy/OpenBazaar,tortxof/OpenBazaar,im0rtel/OpenBazaar,dionyziz/OpenBazaar,mirrax/OpenBazaar