diff --git a/src/com/android/launcher3/Launcher.java b/src/com/android/launcher3/Launcher.java
index f09b6e8..ab83c6c 100644
--- a/src/com/android/launcher3/Launcher.java
+++ b/src/com/android/launcher3/Launcher.java
@@ -1377,6 +1377,11 @@
     }
 
     private void setWorkspaceLoading(boolean value) {
+        if (com.android.launcher3.Utilities.IS_RUNNING_IN_TEST_HARNESS
+                && com.android.launcher3.Utilities.IS_DEBUG_DEVICE) {
+            android.util.Log.d("b/117332845", "setWorkspaceLoading " + value + " @ " +
+                    android.util.Log.getStackTraceString(new Throwable()));
+        }
         mWorkspaceLoading = value;
     }