diff --git a/lib/shared/dm-ops/create-sidebar-spec.js b/lib/shared/dm-ops/create-sidebar-spec.js
--- a/lib/shared/dm-ops/create-sidebar-spec.js
+++ b/lib/shared/dm-ops/create-sidebar-spec.js
@@ -94,7 +94,7 @@
         time,
         threadInfo: rawThreadInfo,
         rawMessageInfos,
-        truncationStatus: messageTruncationStatus.UNCHANGED,
+        truncationStatus: messageTruncationStatus.EXHAUSTIVE,
         rawEntryInfos: [],
       };
 
diff --git a/lib/shared/dm-ops/create-thread-spec.js b/lib/shared/dm-ops/create-thread-spec.js
--- a/lib/shared/dm-ops/create-thread-spec.js
+++ b/lib/shared/dm-ops/create-thread-spec.js
@@ -148,7 +148,7 @@
         time,
         threadInfo: rawThreadInfo,
         rawMessageInfos,
-        truncationStatus: messageTruncationStatus.UNCHANGED,
+        truncationStatus: messageTruncationStatus.EXHAUSTIVE,
         rawEntryInfos: [],
       };