tests: Fix send_message in test_message_edit_notifications.py.
tests: Fix send_message in test_message_edit_notifications.py.

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