diff --git a/unit-tests/020_ext-verifier.txt b/unit-tests/020_ext-verifier.txt
index 73fa442..74fa9c8 100644
--- a/unit-tests/020_ext-verifier.txt
+++ b/unit-tests/020_ext-verifier.txt
@@ -1,52 +1,52 @@
 # vim: ft=sh et :
 #
 # Testing whether the external verifier (before-acquire-handler)
 # is obeyed.
 
 
 ticket:
     name                "tick1"
     state               ST_LEADER
     current_term        40
     leader              local
     # may keep ticket all the time
     term_duration       3000
     # but shall start renewal now
     term_expires        time(0) + 1000
     ext_verifier        "test `set|grep ^BOOTH|wc -l` -ge 5"
-    hb_sent_at          time(0) - 10
+    req_sent_at          time(0) - 10
 
 
 
 outgoing0:
     header.cmd          OP_HEARTBEAT
 
 
 ticket1:
     ext_verifier        'test "$BOOTH_TICKET" == "tick1"'
     # cause re-query of the verifier
-    hb_sent_at          time(0) - 10
+    req_sent_at          time(0) - 10
 
 #
 #gdb1:
 #    break ticket_broadcast_proposed_state § commands § bt § c § end
 
 
 outgoing1:
     header.cmd          OP_HEARTBEAT
 
 
 # now say that we may not have it anymore.
 ticket2:
     ext_verifier        'test "$BOOTH_TICKET" == "tick2FOO"'
     # cause re-query of the verifier
-    hb_sent_at          time(0) - 10
+    req_sent_at          time(0) - 10
 
 # We just tell the others we don't have it anymore.
 outgoing2:
     header.cmd          OP_REQ_VOTE
     ticket.leader       -1
 
 finally:
     state        ST_FOLLOWER
     leader       NULL