test_settings: Change SOCIAL_AUTH_SUBDOMAIN to 'auth' in tests.
test_settings: Change SOCIAL_AUTH_SUBDOMAIN to 'auth' in tests.

That's a more realistic setting than using 'www.'.

shubhamdhama/zulip,hackerkid/zulip,timabbott/zulip,shubhamdhama/zulip,brainwane/zulip,kou/zulip,andersk/zulip,eeshangarg/zulip,timabbott/zulip,zulip/zulip,kou/zulip,shubhamdhama/zulip,zulip/zulip,punchagan/zulip,punchagan/zulip,timabbott/zulip,showell/zulip,rht/zulip,synicalsyntax/zulip,brainwane/zulip,rht/zulip,brainwane/zulip,shubhamdhama/zulip,synicalsyntax/zulip,andersk/zulip,showell/zulip,kou/zulip,andersk/zulip,punchagan/zulip,timabbott/zulip,punchagan/zulip,andersk/zulip,kou/zulip,showell/zulip,showell/zulip,rht/zulip,andersk/zulip,brainwane/zulip,hackerkid/zulip,hackerkid/zulip,punchagan/zulip,showell/zulip,timabbott/zulip,shubhamdhama/zulip,synicalsyntax/zulip,punchagan/zulip,rht/zulip,zulip/zulip,zulip/zulip,hackerkid/zulip,timabbott/zulip,hackerkid/zulip,synicalsyntax/zulip,punchagan/zulip,andersk/zulip,zulip/zulip,brainwane/zulip,hackerkid/zulip,kou/zulip,timabbott/zulip,synicalsyntax/zulip,synicalsyntax/zulip,kou/zulip,rht/zulip,eeshangarg/zulip,shubhamdhama/zulip,zulip/zulip,zulip/zulip,rht/zulip,eeshangarg/zulip,eeshangarg/zulip,brainwane/zulip,synicalsyntax/zulip,showell/zulip,eeshangarg/zulip,eeshangarg/zulip,eeshangarg/zulip,kou/zulip,rht/zulip,brainwane/zulip,showell/zulip,andersk/zulip,hackerkid/zulip,shubhamdhama/zulip