Enable Complement tests for Faster Remote Room Joins on worker-mode

docker/complement/conf/workers-shared-extra.yaml.j2

@@ -94,10 +94,10 @@ allow_device_name_lookup_over_federation: true
 experimental_features:
   # Enable history backfilling support
   msc2716_enabled: true
-  {% if not workers_in_use %}
+  # server-side support for partial state in /send_join responses
+  msc3706_enabled: true
   # client-side support for partial state in /send_join responses
   faster_joins: true
-  {% endif %}
   # Filtering /messages by relation type.
   msc3874_enabled: true
   # Enable deleting device-specific notification settings stored in account data

scripts-dev/complement.sh

@@ -190,7 +190,7 @@ fi
 
 extra_test_args=()
 
-test_tags="synapse_blacklist,msc3787,msc3874,msc3890,msc3391"
+test_tags="synapse_blacklist,msc3787,msc3874,msc3890,msc3391,faster_joins"
 
 # All environment variables starting with PASS_ will be shared.
 # (The prefix is stripped off before reaching the container.)
@@ -223,12 +223,9 @@ else
     export PASS_SYNAPSE_COMPLEMENT_DATABASE=sqlite
   fi
 
-  # We only test faster room joins on monoliths, because they are purposefully
-  # being developed without worker support to start with.
-  #
-  # The tests for importing historical messages (MSC2716) also only pass with monoliths,
-  # currently.
-  test_tags="$test_tags,faster_joins,msc2716"
+  # The tests for importing historical messages (MSC2716)
+  # only pass with monoliths, currently.
+  test_tags="$test_tags,msc2716"
 fi