diff --git a/src/com/android/launcher3/LauncherModel.java b/src/com/android/launcher3/LauncherModel.java
index 617afcb..c20494d 100644
--- a/src/com/android/launcher3/LauncherModel.java
+++ b/src/com/android/launcher3/LauncherModel.java
@@ -20,6 +20,8 @@
 
 import static com.android.launcher3.LauncherAppState.ACTION_FORCE_ROLOAD;
 import static com.android.launcher3.config.FeatureFlags.IS_STUDIO_BUILD;
+import static com.android.launcher3.testing.shared.TestProtocol.WORK_TAB_MISSING;
+import static com.android.launcher3.testing.shared.TestProtocol.testLogD;
 import static com.android.launcher3.util.Executors.MAIN_EXECUTOR;
 import static com.android.launcher3.util.Executors.MODEL_EXECUTOR;
 
@@ -560,6 +562,7 @@
             synchronized (mLock) {
                 // Everything loaded bind the data.
                 mModelLoaded = true;
+                testLogD(WORK_TAB_MISSING, "launcher model loaded");
             }
         }
 
diff --git a/src/com/android/launcher3/model/BaseModelUpdateTask.java b/src/com/android/launcher3/model/BaseModelUpdateTask.java
index 70c9802..44d32d9 100644
--- a/src/com/android/launcher3/model/BaseModelUpdateTask.java
+++ b/src/com/android/launcher3/model/BaseModelUpdateTask.java
@@ -16,6 +16,7 @@
 package com.android.launcher3.model;
 
 import static com.android.launcher3.testing.shared.TestProtocol.WORK_TAB_MISSING;
+import static com.android.launcher3.testing.shared.TestProtocol.testLogD;
 
 import android.util.Log;
 
@@ -72,7 +73,9 @@
 
     @Override
     public final void run() {
-        if (!Objects.requireNonNull(mModel).isModelLoaded()) {
+        boolean isModelLoaded = Objects.requireNonNull(mModel).isModelLoaded();
+        testLogD(WORK_TAB_MISSING, "modelLoaded: " + isModelLoaded + " forTask: " + this);
+        if (!isModelLoaded) {
             if (DEBUG_TASKS) {
                 Log.d(TAG, "Ignoring model task since loader is pending=" + this);
             }
diff --git a/tests/shared/com/android/launcher3/testing/shared/TestProtocol.java b/tests/shared/com/android/launcher3/testing/shared/TestProtocol.java
index bcad5de..193438c 100644
--- a/tests/shared/com/android/launcher3/testing/shared/TestProtocol.java
+++ b/tests/shared/com/android/launcher3/testing/shared/TestProtocol.java
@@ -16,6 +16,8 @@
 
 package com.android.launcher3.testing.shared;
 
+import android.util.Log;
+
 /**
  * Protocol for custom accessibility events for communication with UI Automation tests.
  */
@@ -160,4 +162,12 @@
     public static final String REQUEST_STOP_EMULATE_DISPLAY = "stop-emulate-display";
     public static final String REQUEST_IS_EMULATE_DISPLAY_RUNNING = "is-emulate-display-running";
     public static final String REQUEST_EMULATE_PRINT_DEVICE = "emulate-print-device";
+
+    /** Logs {@link Log#d(String, String)} if {@link #sDebugTracing} is true. */
+    public static void testLogD(String tag, String message) {
+        if (!sDebugTracing) {
+            return;
+        }
+        Log.d(tag, message);
+    }
 }