[ubports/focal] tests/gimock: don't overwrite previous LD_PRELOAD
Backport: !35 (merged)
Tools like Cowbuilder uses LD_PRELOAD to ensure the integrity of the base rootfs. Ensure that whatever that was there first isn't overwritten.
Backport: !35 (merged)
Tools like Cowbuilder uses LD_PRELOAD to ensure the integrity of the base rootfs. Ensure that whatever that was there first isn't overwritten.