cell = helper_create_introduce1_cell();
tt_assert(cell);
+#ifndef ALL_BUGS_ARE_FATAL
/* It should NOT be a legacy cell which will trigger a BUG(). */
memset(cell->legacy_key_id, 'a', sizeof(cell->legacy_key_id));
tor_capture_bugs_(1);
ret = validate_introduce1_parsed_cell(cell);
tor_end_capture_bugs_();
tt_int_op(ret, OP_EQ, -1);
+#endif
+
/* Reset legacy ID and make sure it's correct. */
memset(cell->legacy_key_id, 0, sizeof(cell->legacy_key_id));
ret = validate_introduce1_parsed_cell(cell);