Add a test that we reply to NOPs from the target

Signed-off-by: Ronnie Sahlberg <ronniesahlberg@gmail.com>

tests/test_0300_nop_reply.sh

@@ -0,0 +1,17 @@
+#!/bin/sh
+
+. ./functions.sh
+
+echo "NOP reply tests"
+
+start_target "nop_interval=1,nop_count=3"
+create_lun
+
+echo -n "Test that we reply to target initiated NOPs correctly ... "
+./prog_noop_reply -i ${IQNINITIATOR} iscsi://${TGTPORTAL}/${IQNTARGET}/1 > /dev/null || failure
+success
+
+shutdown_target
+delete_lun
+
+exit 0