host.py execute_script does not work as expected on macOS

[rushikeshjadhav]

Fail log -

E           lib.commands.SSHCommandFailed: SSH command (scp -o "StrictHostKeyChecking no" -o "LogLevel ERROR" -o "UserKnownHostsFile /dev/null" /var/folders/m1/pkrv8btj0cv6v020q7v3y6c40000gn/T/tmpxly5xl2e root@x.x.x.x:/var/folders/m1/pkrv8btj0cv6v020q7v3y6c40000gn/T/tmpxly5xl2e) failed with return code 1: scp: dest open "/var/folders/m1/pkrv8btj0cv6v020q7v3y6c40000gn/T/tmpxly5xl2e": No such file or directory
E           scp: failed to upload file /var/folders/m1/pkrv8btj0cv6v020q7v3y6c40000gn/T/tmpxly5xl2e to /var/folders/m1/pkrv8btj0cv6v020q7v3y6c40000gn/T/tmpxly5xl2e

lib/commands.py:214: SSHCommandFailed

xcp-ng-tests/lib/host.py

Line 198 in 0aa175b

def execute_script(self, script_contents, shebang='sh', simple_output=True):

execute_script expects the path (script.name) to be available on both places, usually /tmp/xxxx however in macOS its handled differently thus the script fails.