QPID-8350: [Tests][AMQP 1.0] Improve ResumeDeliveriesTest
diff --git a/systests/protocol-tests-amqp-1-0/src/test/java/org/apache/qpid/tests/protocol/v1_0/transport/link/ResumeDeliveriesTest.java b/systests/protocol-tests-amqp-1-0/src/test/java/org/apache/qpid/tests/protocol/v1_0/transport/link/ResumeDeliveriesTest.java
index db3259b..b58185e 100644
--- a/systests/protocol-tests-amqp-1-0/src/test/java/org/apache/qpid/tests/protocol/v1_0/transport/link/ResumeDeliveriesTest.java
+++ b/systests/protocol-tests-amqp-1-0/src/test/java/org/apache/qpid/tests/protocol/v1_0/transport/link/ResumeDeliveriesTest.java
@@ -472,6 +472,7 @@
                                                      .flowIncomingWindow(UnsignedInteger.ONE)
                                                      .flowLinkCredit(UnsignedInteger.ONE)
                                                      .flowHandleFromLinkHandle()
+                                                     .flowNextIncomingIdFromPeerLatestSessionBeginAndDeliveryCount()
                                                      .flow()
                                                      .receiveDelivery()
                                                      .decodeLatestDelivery();
@@ -495,6 +496,7 @@
             Attach attach = interaction.getLatestResponse(Attach.class);
 
             Map<Binary, DeliveryState> unsettled = attach.getUnsettled();
+            assumeThat(unsettled, notNullValue());
             assertThat(unsettled.entrySet(), empty());
         }
     }