Fix typos in tests/

Reviewed-by: Ryan Moeller <ryan@ixsystems.com>
Reviewed-by: Richard Laager <rlaager@wiktel.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Andrea Gelmini <andrea.gelmini@gelma.net>
Closes #9247

tests/zfs-tests/tests/functional/cli_user/misc/setup.ksh

@@ -34,7 +34,7 @@
 
 # This setup script is moderately complex, as it creates scenarios for all
 # of the tests included in this directory. Usually we'd want each test case
-# to setup/teardown it's own configuration, but this would be time consuming
+# to setup/teardown its own configuration, but this would be time consuming
 # given the nature of these tests. However, as a side-effect, one test
 # leaving the system in an unknown state could impact other test cases.
 

tests/zfs-tests/tests/functional/cli_user/misc/zpool_online_001_neg.ksh

@@ -49,7 +49,7 @@ function check_for_online
 		 | grep ONLINE )
 	if [ -n "$RESULT" ]
 	then
-		log_fail "A disk was brough online!"
+		log_fail "A disk was brought online!"
 	fi
 }