patch 8.2.3592: Test_hlset fails when terminal has many columns Commit: https://github.com/vim/vim/commit/6a950a6007f27d9d0ce32ef8dcaf5c9d0f1b5aab Author: Dominique Pelle <dominique.pelle@gmail.com> Date: Sat Nov 13 18:44:37 2021 +0000 patch 8.2.3592: Test_hlset fails when terminal has many columns Problem: Test_hlset fails when terminal has many columns. Solution: Set the number of columns to 80. (Dominique Pell?, closes https://github.com/vim/vim/issues/9101, closes #9100)

#!/bin/bash
set -e

apt-get install -y xvfb

cat <<EOT >/etc/systemd/system/xvfb.service
[Unit]
Description=X Virtual Frame Buffer Service
After=network.target
[Service]
ExecStart=/usr/bin/Xvfb :99 -screen 0 1024x768x24
[Install]
WantedBy=multi-user.target
EOT

systemctl enable xvfb.service
systemctl start xvfb.service