registration: Add LDAP tests.
registration: Add LDAP tests.

rht/zulip,hackerkid/zulip,timabbott/zulip,hackerkid/zulip,showell/zulip,eeshangarg/zulip,hackerkid/zulip,jackrzhang/zulip,rishig/zulip,brainwane/zulip,shubhamdhama/zulip,kou/zulip,eeshangarg/zulip,andersk/zulip,brockwhittaker/zulip,eeshangarg/zulip,dhcrzf/zulip,tommyip/zulip,synicalsyntax/zulip,hackerkid/zulip,eeshangarg/zulip,zulip/zulip,zulip/zulip,jackrzhang/zulip,Galexrt/zulip,rishig/zulip,kou/zulip,rht/zulip,Galexrt/zulip,andersk/zulip,dhcrzf/zulip,rishig/zulip,shubhamdhama/zulip,rishig/zulip,zulip/zulip,synicalsyntax/zulip,timabbott/zulip,punchagan/zulip,hackerkid/zulip,andersk/zulip,shubhamdhama/zulip,Galexrt/zulip,hackerkid/zulip,shubhamdhama/zulip,synicalsyntax/zulip,timabbott/zulip,tommyip/zulip,mahim97/zulip,Galexrt/zulip,synicalsyntax/zulip,dhcrzf/zulip,showell/zulip,andersk/zulip,jackrzhang/zulip,showell/zulip,punchagan/zulip,tommyip/zulip,brainwane/zulip,synicalsyntax/zulip,mahim97/zulip,kou/zulip,rht/zulip,eeshangarg/zulip,timabbott/zulip,Galexrt/zulip,rht/zulip,brainwane/zulip,rishig/zulip,eeshangarg/zulip,brockwhittaker/zulip,showell/zulip,punchagan/zulip,showell/zulip,brainwane/zulip,Galexrt/zulip,mahim97/zulip,zulip/zulip,rishig/zulip,punchagan/zulip,dhcrzf/zulip,rht/zulip,Galexrt/zulip,jackrzhang/zulip,timabbott/zulip,tommyip/zulip,synicalsyntax/zulip,dhcrzf/zulip,zulip/zulip,jackrzhang/zulip,tommyip/zulip,kou/zulip,showell/zulip,zulip/zulip,timabbott/zulip,hackerkid/zulip,shubhamdhama/zulip,dhcrzf/zulip,mahim97/zulip,mahim97/zulip,kou/zulip,showell/zulip,brockwhittaker/zulip,dhcrzf/zulip,rht/zulip,andersk/zulip,timabbott/zulip,zulip/zulip,brockwhittaker/zulip,kou/zulip,eeshangarg/zulip,brainwane/zulip,rishig/zulip,jackrzhang/zulip,punchagan/zulip,punchagan/zulip,tommyip/zulip,tommyip/zulip,brockwhittaker/zulip,jackrzhang/zulip,rht/zulip,synicalsyntax/zulip,brockwhittaker/zulip,kou/zulip,andersk/zulip,brainwane/zulip,shubhamdhama/zulip,punchagan/zulip,brainwane/zulip,mahim97/zulip,shubhamdhama/zulip,andersk/zulip