Add the new options to the b.json test and update the diff.
The new file has the following contents:
[Unit]
Description=Create directory
DefaultDependencies=False
ConditionPathExists=|!/etc/myfile
ConditionPathIsDirectory=|!/etc/mydir
[Service]
Type=oneshot
RemainAfterExit=True
ExecStart=mkdir -p /etc/mydir
ExecStart=touch /etc/myfile
Environment="DEBUG=1"
EnvironmentFile=/etc/example.env
[Install]
WantedBy=local-fs.target
RequiredBy=multi-user.target