test-emoji-name-scripts: Avoid hardcoded paths in /var/tmp.
test-emoji-name-scripts: Avoid hardcoded paths in /var/tmp.

Signed-off-by: Anders Kaseorg <087231934ba8fcf78bc142ce37d193b895ac03c4@mit.edu>

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