Merge branch 'mi_apitests_for_ci' into 'master'

hivemind/reference/tags_api/get_discussions_by_comments.py

hivemind/reference/tags_api/get_discussions_by_created.py

hivemind/reference/tags_api/get_discussions_by_feed.py

hivemind/reference/tags_api/get_discussions_by_hot.py

hivemind/reference/tags_api/get_discussions_by_promoted.py

hivemind/reference/tags_api/get_discussions_by_trending.py

hivemind/reference/tags_api/get_discussions_by_votes.py

...mind/reference/tags_api/get_post_discussions_by_payout.py

hivemind/reference/tags_api/get_replies_by_last_update.py

hivemind/reference/tags_api/get_tags_used_by_author.py

hivemind/reference/tags_api/get_trending_tags.py