diff --git a/google-cloud-pubsub/src/test/java/com/google/cloud/pubsub/v1/PublisherImplTest.java b/google-cloud-pubsub/src/test/java/com/google/cloud/pubsub/v1/PublisherImplTest.java
index 9686ec445..a56d2c712 100644
--- a/google-cloud-pubsub/src/test/java/com/google/cloud/pubsub/v1/PublisherImplTest.java
+++ b/google-cloud-pubsub/src/test/java/com/google/cloud/pubsub/v1/PublisherImplTest.java
@@ -511,7 +511,6 @@ public void testEnableMessageOrdering_overwritesMaxAttempts() throws Exception {
    *   <li>publish with key orderA, which should now succeed
    * </ol>
    */
-  /*
   @Test
   public void testResumePublish() throws Exception {
     System.out.println("Starting testResumePublish");
@@ -532,6 +531,8 @@ public void testResumePublish() throws Exception {
     assertFalse(future1.isDone());
     assertFalse(future2.isDone());
 
+    System.out.println("Publish 1 and 2");
+
     // This exception should stop future publishing to the same key
     testPublisherServiceImpl.addPublishError(new StatusException(Status.INVALID_ARGUMENT));
 
@@ -541,12 +542,14 @@ public void testResumePublish() throws Exception {
       future1.get();
       fail("This should fail.");
     } catch (ExecutionException e) {
+      System.out.println("Message 1 failed");
     }
 
     try {
       future2.get();
       fail("This should fail.");
     } catch (ExecutionException e) {
+      System.out.println("Message 2 failed");
     }
 
     // Submit new requests with orderA that should fail.
@@ -558,6 +561,7 @@ public void testResumePublish() throws Exception {
       fail("This should fail.");
     } catch (ExecutionException e) {
       assertEquals(SequentialExecutorService.CallbackExecutor.CANCELLATION_EXCEPTION, e.getCause());
+      System.out.println("Message 3 failed");
     }
 
     try {
@@ -565,6 +569,7 @@ public void testResumePublish() throws Exception {
       fail("This should fail.");
     } catch (ExecutionException e) {
       assertEquals(SequentialExecutorService.CallbackExecutor.CANCELLATION_EXCEPTION, e.getCause());
+      System.out.println("Message 4 failed");
     }
 
     // Submit a new request with orderB, which should succeed
@@ -577,26 +582,32 @@ public void testResumePublish() throws Exception {
     assertEquals("5", future5.get());
     assertEquals("6", future6.get());
 
+    System.out.println("Publish and receive 5 and 6");
+
     // Resume publishing of "orderA", which should now succeed
     publisher.resumePublish("orderA");
 
+    System.out.println("Resume publishing of orderA");
+
     ApiFuture<String> future7 = sendTestMessageWithOrderingKey(publisher, "m7", "orderA");
     ApiFuture<String> future8 = sendTestMessageWithOrderingKey(publisher, "m8", "orderA");
 
     testPublisherServiceImpl.addPublishResponse(
         PublishResponse.newBuilder().addMessageIds("7").addMessageIds("8"));
+    
+    System.out.println("Publish of 7 and 8");
 
     assertEquals("7", future7.get());
     assertEquals("8", future8.get());
 
+    System.out.println("Receive 7 and 8");
+
     shutdownTestPublisher(publisher);
     System.out.println("Ending testResumePublish");
   }
-  */
 
   @Test
   public void testPublishThrowExceptionForUnsubmittedOrderingKeyMessage() throws Exception {
-    System.out.println("Starting testPublishThrowExceptionForUnsubmittedOrderingKeyMessage");
     Publisher publisher =
         getTestPublisherBuilder()
             .setExecutorProvider(SINGLE_THREAD_EXECUTOR)
@@ -635,7 +646,7 @@ public void testPublishThrowExceptionForUnsubmittedOrderingKeyMessage() throws E
     } catch (ExecutionException e) {
       assertEquals(SequentialExecutorService.CallbackExecutor.CANCELLATION_EXCEPTION, e.getCause());
     }
-    fakeExecutor.advanceTime(Duration.ofSeconds(5));
+    fakeExecutor.advanceTime(Duration.ZERO);
 
     // A subsequent attempt fails immediately.
     ApiFuture<String> publishFuture4 = sendTestMessageWithOrderingKey(publisher, "D", "a");
@@ -645,7 +656,6 @@ public void testPublishThrowExceptionForUnsubmittedOrderingKeyMessage() throws E
     } catch (ExecutionException e) {
       assertEquals(SequentialExecutorService.CallbackExecutor.CANCELLATION_EXCEPTION, e.getCause());
     }
-    System.out.println("Ending testPublishThrowExceptionForUnsubmittedOrderingKeyMessage");
   }
 
   private ApiFuture<String> sendTestMessageWithOrderingKey(