iotests: fix error in 005

According comment, we should not read again, we will write.
Signed-off-by: NDong Xu Wang <wdongxu@linux.vnet.ibm.com>
Reviewed-by: NStefan Hajnoczi <stefanha@linux.vnet.ibm.com>
Signed-off-by: NKevin Wolf <kwolf@redhat.com>

tests/qemu-iotests/005

@@ -65,7 +65,7 @@ $QEMU_IO -c "read 1024 4096" $TEST_IMG | _filter_qemu_io
 
 echo
 echo "small write"
-$QEMU_IO -c "read 8192 4096" $TEST_IMG | _filter_qemu_io
+$QEMU_IO -c "write 8192 4096" $TEST_IMG | _filter_qemu_io
 
 # success, all done
 echo "*** done"

tests/qemu-iotests/005.out

@@ -8,6 +8,6 @@ read 4096/4096 bytes at offset 1024
 4 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
 
 small write
-read 4096/4096 bytes at offset 8192
+wrote 4096/4096 bytes at offset 8192
 4 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
 *** done