Merge branch '4.4'

* 4.4:
  another fix to make amqp messages go to a separate queue
  Mentioned the new mailer assert methods for tests

messenger.rst

@@ -498,9 +498,11 @@ different messages to them. For example:
                             # queue_name is specific to the doctrine transport
                             queue_name: high
 
-                            # for amqp
+                            # for amqp send to a separate exchange then queue
                             #exchange:
                             #    name: high
+                            #queues:
+                            #    messages_high: ~
                             # or redis try "group"
                     async_priority_low:
                         dsn: '%env(MESSENGER_TRANSPORT_DSN)%'

testing/functional_tests_assertions.rst

@@ -72,4 +72,22 @@ Crawler
 - ``assertInputValueSame()``
 - ``assertInputValueNotSame()``
 
+Mailer
+~~~~~~
+
+- ``assertEmailCount()``
+- ``assertQueuedEmailCount()``
+- ``assertEmailIsQueued()``
+- ``assertEmailIsNotQueued()``
+- ``assertEmailAttachementCount()``
+- ``assertEmailTextBodyContains()``
+- ``assertEmailTextBodyNotContains()``
+- ``assertEmailHtmlBodyContains()``
+- ``assertEmailHtmlBodyNotContains()``
+- ``assertEmailHasHeader()``
+- ``assertEmailNotHasHeader()``
+- ``assertEmailHeaderSame()``
+- ``assertEmailHeaderNotSame()``
+- ``assertEmailAddressContains()``
+
 .. _`symfony/panther`: https://github.com/symfony/panther