ZTS: Replace /var/tmp with $TEST_BASE_DIR

Remove a few hardcoded instances of /var/tmp.  This should use
the $TEST_BASE_DIR in order to allow the ZTS to be optionally
run in an alternate directory using `zfs-tests.sh -d <path>`.

Reviewed-by: Ryan Moeller <[email protected]>
Reviewed-by: John Kennedy <[email protected]>
Reviewed-by: Igor Kozhukhov <[email protected]>
Reviewed-by: Kjeld Schouten <[email protected]>
Signed-off-by: Brian Behlendorf <[email protected]>
Closes #9775 

0 files changed, 0 insertions, 0 deletions