Mock HTTPoison in testing.

config/config.exs

config/test.exs

lib/pleroma/web/ostatus/ostatus.ex

lib/pleroma/web/salmon/salmon.ex

lib/pleroma/web/web_finger/web_finger.ex

lib/pleroma/web/websub/websub.ex

...ison_mock/http___gs.example.org_4040_index.php_user_1.xml

...ample.org_index.php_api_statuses_user_timeline_1.atom.xml

...son_mock/https___mastodon.social_users_lambadalambda.atom

...ison_mock/https___mastodon.social_users_lambadalambda.xml

.../httpoison_mock/https___pleroma.soykaf.com_users_lain.xml

..._mock/https___pleroma.soykaf.com_users_lain_feed.atom.xml

...ial.heldscal.la_api_statuses_user_timeline_23211.atom.xml

...ial.heldscal.la_api_statuses_user_timeline_29191.atom.xml

.../httpoison_mock/https___social.heldscal.la_user_23211.xml

.../httpoison_mock/https___social.heldscal.la_user_29191.xml

...ixtures/httpoison_mock/nonexistant@social.heldscal.la.xml

test/fixtures/httpoison_mock/shp@social.heldscal.la.xml

test/support/httpoison_mock.ex