test-tool: add iSCSI CHAP_A negotiation tests

The iSCSICHAP.Simple test ensures that CHAP_A comma separated lists
are correctly handled. iSCSICHAP.Invalid tests a range of invalid
CHAP_A parameters.

Signed-off-by: David Disseldorp <ddiss@suse.de>

test-tool/iscsi-test-cu.h

@@ -81,6 +81,8 @@ void test_iscsi_datasn_invalid(void);
 void test_iscsi_sendtargets_simple(void);
 void test_iscsi_sendtargets_invalid(void);
 void test_iscsi_nop_simple(void);
+void test_iscsi_chap_simple(void);
+void test_iscsi_chap_invalid(void);
 
 void test_mandatory_sbc(void);