PTFM-9337: bugfix for converting usernames to user IDs
[PTFM-8997] Remove environment reset code from test setup. It should now be handled by per-ppid sessions
[PTFM-8997] Test setup fixes
[PTFM-8997] Test setup fixes
[PTFM-8997] Test setup fixes
[PTFM-8997] Rearrange test setup to avoid pinning DX_CLI_WD
Changelog and dxR version update for v0.67.0