Test file copy hang when target machine qrexec is disabled
Test file copy hang when target machine qrexec is disabled

See QubesOS/qubes-issues#5347.

Fix in QubesOS/qubes-core-qrexec#15.

QubesOS/qubes-core-admin,marmarek/qubes-core-admin,marmarek/qubes-core-admin,QubesOS/qubes-core-admin,QubesOS/qubes-core-admin,marmarek/qubes-core-admin