diff --git a/src/com/android/launcher3/allapps/ActivityAllAppsContainerView.java b/src/com/android/launcher3/allapps/ActivityAllAppsContainerView.java
index 8fbe997..8950203 100644
--- a/src/com/android/launcher3/allapps/ActivityAllAppsContainerView.java
+++ b/src/com/android/launcher3/allapps/ActivityAllAppsContainerView.java
@@ -19,6 +19,7 @@
 import static com.android.launcher3.logging.StatsLogManager.LauncherEvent.LAUNCHER_ALLAPPS_COUNT;
 import static com.android.launcher3.logging.StatsLogManager.LauncherEvent.LAUNCHER_ALLAPPS_TAP_ON_PERSONAL_TAB;
 import static com.android.launcher3.logging.StatsLogManager.LauncherEvent.LAUNCHER_ALLAPPS_TAP_ON_WORK_TAB;
+import static com.android.launcher3.testing.shared.TestProtocol.WORK_TAB_MISSING;
 import static com.android.launcher3.util.ScrollableLayoutManager.PREDICTIVE_BACK_MIN_SCALE;
 
 import android.animation.Animator;
@@ -73,6 +74,7 @@
 import com.android.launcher3.keyboard.FocusedItemDecorator;
 import com.android.launcher3.model.StringCache;
 import com.android.launcher3.model.data.ItemInfo;
+import com.android.launcher3.testing.shared.TestProtocol;
 import com.android.launcher3.util.ItemInfoMatcher;
 import com.android.launcher3.util.Themes;
 import com.android.launcher3.views.ActivityContext;
@@ -183,7 +185,12 @@
         mNavBarScrimPaint = new Paint();
         mNavBarScrimPaint.setColor(Themes.getAttrColor(context, R.attr.allAppsNavBarScrimColor));
 
-        mAllAppsStore.addUpdateListener(this::onAppsUpdated);
+        AllAppsStore.OnUpdateListener onAppsUpdated = this::onAppsUpdated;
+        if (TestProtocol.sDebugTracing) {
+            Log.d(WORK_TAB_MISSING, "ActivityAllAppsContainer#init registeringListener: " +
+                    onAppsUpdated);
+        }
+        mAllAppsStore.addUpdateListener(onAppsUpdated);
         mActivityContext.addOnDeviceProfileChangeListener(this);
 
         // This is a focus listener that proxies focus from a view into the list view.  This is to
@@ -809,6 +816,10 @@
 
     private void onAppsUpdated() {
         mHasWorkApps = Stream.of(mAllAppsStore.getApps()).anyMatch(mWorkManager.getMatcher());
+        if (TestProtocol.sDebugTracing) {
+            Log.d(WORK_TAB_MISSING, "ActivityAllAppsContainerView#onAppsUpdated hasWorkApps: " +
+                    mHasWorkApps + " allApps: " + mAllAppsStore.getApps().length);
+        }
         if (!isSearching()) {
             rebindAdapters();
             if (mHasWorkApps) {
diff --git a/src/com/android/launcher3/allapps/AllAppsStore.java b/src/com/android/launcher3/allapps/AllAppsStore.java
index 7bc3eec..a977b3a 100644
--- a/src/com/android/launcher3/allapps/AllAppsStore.java
+++ b/src/com/android/launcher3/allapps/AllAppsStore.java
@@ -18,7 +18,9 @@
 import static com.android.launcher3.model.data.AppInfo.COMPONENT_KEY_COMPARATOR;
 import static com.android.launcher3.model.data.AppInfo.EMPTY_ARRAY;
 import static com.android.launcher3.model.data.ItemInfoWithIcon.FLAG_SHOW_DOWNLOAD_PROGRESS_MASK;
+import static com.android.launcher3.testing.shared.TestProtocol.WORK_TAB_MISSING;
 
+import android.util.Log;
 import android.view.View;
 import android.view.ViewGroup;
 
@@ -27,6 +29,7 @@
 import com.android.launcher3.BubbleTextView;
 import com.android.launcher3.model.data.AppInfo;
 import com.android.launcher3.model.data.ItemInfo;
+import com.android.launcher3.testing.shared.TestProtocol;
 import com.android.launcher3.util.ComponentKey;
 import com.android.launcher3.util.PackageUserKey;
 
@@ -119,6 +122,9 @@
             return;
         }
         for (OnUpdateListener listener : mUpdateListeners) {
+            if (TestProtocol.sDebugTracing) {
+                Log.d(WORK_TAB_MISSING, "AllAppsStore#notifyUpdate listener: " + listener);
+            }
             listener.onAppsUpdated();
         }
     }
diff --git a/src/com/android/launcher3/allapps/WorkProfileManager.java b/src/com/android/launcher3/allapps/WorkProfileManager.java
index f66ea34..30af502 100644
--- a/src/com/android/launcher3/allapps/WorkProfileManager.java
+++ b/src/com/android/launcher3/allapps/WorkProfileManager.java
@@ -25,6 +25,7 @@
 import static com.android.launcher3.model.BgDataModel.Callbacks.FLAG_HAS_SHORTCUT_PERMISSION;
 import static com.android.launcher3.model.BgDataModel.Callbacks.FLAG_QUIET_MODE_CHANGE_PERMISSION;
 import static com.android.launcher3.model.BgDataModel.Callbacks.FLAG_QUIET_MODE_ENABLED;
+import static com.android.launcher3.testing.shared.TestProtocol.WORK_TAB_MISSING;
 import static com.android.launcher3.util.Executors.UI_HELPER_EXECUTOR;
 
 import android.os.Build;
@@ -46,6 +47,7 @@
 import com.android.launcher3.allapps.BaseAllAppsAdapter.AdapterItem;
 import com.android.launcher3.logging.StatsLogManager;
 import com.android.launcher3.model.data.ItemInfo;
+import com.android.launcher3.testing.shared.TestProtocol;
 import com.android.launcher3.workprofile.PersonalWorkSlidingTabStrip;
 
 import java.lang.annotation.Retention;
@@ -137,6 +139,10 @@
     }
 
     private void updateCurrentState(@WorkProfileState int currentState) {
+        if (TestProtocol.sDebugTracing) {
+            Log.d(WORK_TAB_MISSING, "WorkProfileManager#updateCurrentState: " +
+                    currentState, new Throwable());
+        }
         mCurrentState = currentState;
         if (getAH() != null) {
             getAH().mAppsList.updateAdapterItems();
@@ -155,6 +161,10 @@
      * Creates and attaches for profile toggle button to {@link ActivityAllAppsContainerView}
      */
     public boolean attachWorkModeSwitch() {
+        if (TestProtocol.sDebugTracing) {
+            Log.d(WORK_TAB_MISSING, "ActivityAllAppsContainerView#attachWorkModeSwitch "
+                    + "mWorkModeSwitch: " + mWorkModeSwitch);
+        }
         if (!mAllApps.getAppsStore().hasModelFlag(
                 FLAG_HAS_SHORTCUT_PERMISSION | FLAG_QUIET_MODE_CHANGE_PERMISSION)) {
             Log.e(TAG, "unable to attach work mode switch; Missing required permissions");
diff --git a/tests/shared/com/android/launcher3/testing/shared/TestProtocol.java b/tests/shared/com/android/launcher3/testing/shared/TestProtocol.java
index c69ec2c..dd035fc 100644
--- a/tests/shared/com/android/launcher3/testing/shared/TestProtocol.java
+++ b/tests/shared/com/android/launcher3/testing/shared/TestProtocol.java
@@ -156,6 +156,7 @@
     public static final String NPE_TRANSIENT_TASKBAR = "b/257549303";
     public static final String FLAKY_BINDING = "b/270216650";
     public static final String VIEW_AND_ACTIVITY_LEAKS = "b/260260325";
+    public static final String WORK_TAB_MISSING = "b/243688989";
 
     public static final String REQUEST_EMULATE_DISPLAY = "emulate-display";
     public static final String REQUEST_STOP_EMULATE_DISPLAY = "stop-emulate-display";
diff --git a/tests/src/com/android/launcher3/ui/WorkProfileTest.java b/tests/src/com/android/launcher3/ui/WorkProfileTest.java
index c7628cc..9eeea24 100644
--- a/tests/src/com/android/launcher3/ui/WorkProfileTest.java
+++ b/tests/src/com/android/launcher3/ui/WorkProfileTest.java
@@ -18,6 +18,7 @@
 import static com.android.launcher3.LauncherState.ALL_APPS;
 import static com.android.launcher3.LauncherState.NORMAL;
 import static com.android.launcher3.allapps.AllAppsStore.DEFER_UPDATES_TEST;
+import static com.android.launcher3.testing.shared.TestProtocol.WORK_TAB_MISSING;
 
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertTrue;
@@ -65,8 +66,13 @@
         String[] tokens = output.split("\\s+");
         mProfileUserId = Integer.parseInt(tokens[tokens.length - 1]);
         output = mDevice.executeShellCommand("am start-user " + mProfileUserId);
+        StringBuilder logStr = new StringBuilder().append("profileId: ").append(mProfileUserId);
+        for (String str : tokens) {
+            logStr.append(str).append("\n");
+        }
         updateWorkProfileSetupSuccessful("am start-user", output);
 
+        Log.d(WORK_TAB_MISSING, "workProfileSuccessful? " + mWorkProfileSetupSuccessful);
         if (!mWorkProfileSetupSuccessful) {
             return; // no need to setup launcher since all tests will skip.
         }
@@ -99,6 +105,7 @@
     private void waitForWorkTabSetup() {
         waitForLauncherCondition("Work tab not setup", launcher -> {
             if (launcher.getAppsView().getContentView() instanceof AllAppsPagedView) {
+                Log.d(WORK_TAB_MISSING, "Deferring AppsStore updates");
                 launcher.getAppsView().getAppsStore().enableDeferUpdates(DEFER_UPDATES_TEST);
                 return true;
             }