Break down BulkRepublisher test

Breaking these assertions into multiple tests makes it a little easier
to parse

test/unit/app/services/bulk_republisher_test.rb

@@ -50,15 +50,6 @@ class BulkRepublisherTest < ActiveSupport::TestCase
 
   describe "#republish_all_documents_with_pre_publication_editions" do
     test "queues all documents with pre-publication editions for republishing" do
-      document_without_pre_publication_edition = create(:document, editions: [build(:published_edition)])
-
-      PublishingApiDocumentRepublishingWorker
-        .expects(:perform_async_in_queue)
-        .with("bulk_republishing", document_without_pre_publication_edition.id, true)
-        .never
-
-      queue_sequence = sequence("queue")
-
       2.times do
         document_with_pre_publication_edition = create(:document, editions: [build(:published_edition), build(:draft_edition)])
 
@@ -70,5 +61,16 @@ class BulkRepublisherTest < ActiveSupport::TestCase
 
       BulkRepublisher.new.republish_all_documents_with_pre_publication_editions
     end
+
+    test "doesn't queue documents without pre-publication editions for republishing" do
+      document = create(:document, editions: [build(:published_edition)])
+
+      PublishingApiDocumentRepublishingWorker
+        .expects(:perform_async_in_queue)
+        .with("bulk_republishing", document.id, true)
+        .never
+
+      BulkRepublisher.new.republish_all_documents_with_pre_publication_editions
+    end
   end
 end