Add a test that a sanitize operation will continue across resets

Verify that abort task/abort task set/lun reset/warm reset/cold reset
and full blown session failures will not affect a sanitize that is in
progress

test-tool/iscsi-test-cu.h

@@ -163,6 +163,7 @@ void test_sanitize_overwrite(void);
 void test_sanitize_overwrite_reserved(void);
 void test_sanitize_readonly(void);
 void test_sanitize_reservations(void);
+void test_sanitize_reset(void);
 
 void test_startstopunit_simple(void);
 void test_startstopunit_pwrcnd(void);