policy: merge integration test for REFUSE policy

Closes: deckard!114

modules/policy/test.integr/deckard.yaml

+programs:
+- name: kresd
+  binary: kresd
+  additional:
+    - -f
+    - "1"
+  templates:
+    - modules/policy/test.integr/kresd_config.j2
+    - tests/hints_zone.j2
+  configs:
+    - config
+    - hints

modules/policy/test.integr/kresd_config.j2

+{% raw %}
+policy.add(policy.suffix(policy.REFUSE, {todname('refuse.example.com')}))
+
+-- Disable RFC8145 signaling, scenario doesn't provide expected answers
+if ta_signal_query then
+        modules.unload('ta_signal_query')
+end
+
+-- Disable RFC8109 priming, scenario doesn't provide expected answers
+if priming then
+        modules.unload('priming')
+end
+
+-- Disable this module because it make one priming query
+if detect_time_skew then
+        modules.unload('detect_time_skew')
+end
+
+_hint_root_file('hints')
+cache.size = 2*MB
+verbose(true)
+{% endraw %}
+
+net = { '{{SELF_ADDR}}' }
+
+
+{% if QMIN == "false" %}
+option('NO_MINIMIZE', true)
+{% else %}
+option('NO_MINIMIZE', false)
+{% endif %}
+
+
+-- Self-checks on globals
+assert(help() ~= nil)
+assert(worker.id ~= nil)
+-- Self-checks on facilities
+assert(cache.count() == 0)
+assert(cache.stats() ~= nil)
+assert(cache.backends() ~= nil)
+assert(worker.stats() ~= nil)
+assert(net.interfaces() ~= nil)
+-- Self-checks on loaded stuff
+assert(net.list()['{{SELF_ADDR}}'])
+assert(#modules.list() > 0)
+-- Self-check timers
+ev = event.recurrent(1 * sec, function (ev) return 1 end)
+event.cancel(ev)
+ev = event.after(0, function (ev) return 1 end)

modules/policy/test.integr/refuse.rpl

+; config options
+	stub-addr: 193.0.14.129 	# K.ROOT-SERVERS.NET.
+CONFIG_END
+
+SCENARIO_BEGIN Test refuse policy
+
+STEP 10 QUERY
+ENTRY_BEGIN
+REPLY RD AD
+SECTION QUESTION
+www.refuse.example.com. IN A
+ENTRY_END
+
+STEP 20 CHECK_ANSWER
+ENTRY_BEGIN
+MATCH all answer
+; AD must not be set in the answer
+REPLY QR RD RA REFUSED
+SECTION QUESTION
+www.refuse.example.com. IN A
+SECTION ANSWER
+ENTRY_END
+
+SCENARIO_END