Split tests out to speed it up a bit

api/v2/test_member.py is left untouched, it is already split
into 2 groups now [0]

[0] https://review.opendev.org/c/828963

Related-Bug: PRODX-21132
Change-Id: Ie7aa14c4d8e6578d2a61b49a1ee7ea10c071d6e6
(cherry picked from commit 72e6aad989e9bda84e69f39b771b2fb934e47540)
(cherry picked from commit 5f6704379c8fa4a582df4c65a1d010a497e1d475)
4 files changed