diff --git a/Android.mk b/Android.mk
index fcd4a94..7805b32 100644
--- a/Android.mk
+++ b/Android.mk
@@ -67,7 +67,10 @@
 LOCAL_SRC_FILES := \
     $(call all-java-files-under, src) \
     $(call all-java-files-under, src_shortcuts_overrides) \
-    $(call all-java-files-under, src_ui_overrides)
+    $(call all-java-files-under, src_ui_overrides) \
+    $(call all-java-files-under, ext_tests/src)
+    
+LOCAL_RESOURCE_DIR := $(LOCAL_PATH)/ext_tests/res
 
 LOCAL_PROGUARD_FLAG_FILES := proguard.flags
 # Proguard is disable for testing. Derivarive prjects to keep proguard enabled
diff --git a/ext_tests/res/values/overrides.xml b/ext_tests/res/values/overrides.xml
new file mode 100644
index 0000000..3f071d4
--- /dev/null
+++ b/ext_tests/res/values/overrides.xml
@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
+    <string name="test_information_handler_class" translatable="false">com.android.launcher3.testing.DebugTestInformationHandler</string>
+</resources>
+
diff --git a/ext_tests/src/com/android/launcher3/testing/DebugTestInformationHandler.java b/ext_tests/src/com/android/launcher3/testing/DebugTestInformationHandler.java
new file mode 100644
index 0000000..b84c7aa
--- /dev/null
+++ b/ext_tests/src/com/android/launcher3/testing/DebugTestInformationHandler.java
@@ -0,0 +1,141 @@
+/*
+ * Copyright (C) 2020 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.launcher3.testing;
+
+import static android.graphics.Bitmap.Config.ARGB_8888;
+
+import android.content.Context;
+import android.graphics.Bitmap;
+import android.graphics.Color;
+import android.os.Bundle;
+import android.os.Debug;
+import android.system.Os;
+import android.view.View;
+
+import androidx.annotation.Keep;
+
+import java.util.LinkedList;
+import java.util.concurrent.CountDownLatch;
+import java.util.concurrent.TimeUnit;
+
+/**
+ * Class to handle requests from tests, including debug ones.
+ */
+public class DebugTestInformationHandler extends TestInformationHandler {
+    private static LinkedList sLeaks;
+
+    public DebugTestInformationHandler(Context context) {
+        init(context);
+    }
+
+    private static void runGcAndFinalizersSync() {
+        Runtime.getRuntime().gc();
+        Runtime.getRuntime().runFinalization();
+
+        final CountDownLatch fence = new CountDownLatch(1);
+        createFinalizationObserver(fence);
+        try {
+            do {
+                Runtime.getRuntime().gc();
+                Runtime.getRuntime().runFinalization();
+            } while (!fence.await(100, TimeUnit.MILLISECONDS));
+        } catch (InterruptedException ex) {
+            throw new RuntimeException(ex);
+        }
+    }
+
+    // Create the observer in the scope of a method to minimize the chance that
+    // it remains live in a DEX/machine register at the point of the fence guard.
+    // This must be kept to avoid R8 inlining it.
+    @Keep
+    private static void createFinalizationObserver(CountDownLatch fence) {
+        new Object() {
+            @Override
+            protected void finalize() throws Throwable {
+                try {
+                    fence.countDown();
+                } finally {
+                    super.finalize();
+                }
+            }
+        };
+    }
+
+    @Override
+    public Bundle call(String method) {
+        final Bundle response = new Bundle();
+        switch (method) {
+            case TestProtocol.REQUEST_APP_LIST_FREEZE_FLAGS: {
+                return getLauncherUIProperty(Bundle::putInt,
+                        l -> l.getAppsView().getAppsStore().getDeferUpdatesFlags());
+            }
+
+            case TestProtocol.REQUEST_ENABLE_DEBUG_TRACING:
+                TestProtocol.sDebugTracing = true;
+                return response;
+
+            case TestProtocol.REQUEST_DISABLE_DEBUG_TRACING:
+                TestProtocol.sDebugTracing = false;
+                return response;
+
+            case TestProtocol.REQUEST_PID: {
+                response.putInt(TestProtocol.TEST_INFO_RESPONSE_FIELD, Os.getpid());
+                return response;
+            }
+
+            case TestProtocol.REQUEST_TOTAL_PSS_KB: {
+                runGcAndFinalizersSync();
+                Debug.MemoryInfo mem = new Debug.MemoryInfo();
+                Debug.getMemoryInfo(mem);
+                response.putInt(TestProtocol.TEST_INFO_RESPONSE_FIELD, mem.getTotalPss());
+                return response;
+            }
+
+            case TestProtocol.REQUEST_JAVA_LEAK: {
+                if (sLeaks == null) sLeaks = new LinkedList();
+
+                // Allocate and dirty the memory.
+                final int leakSize = 1024 * 1024;
+                final byte[] bytes = new byte[leakSize];
+                for (int i = 0; i < leakSize; i += 239) {
+                    bytes[i] = (byte) (i % 256);
+                }
+                sLeaks.add(bytes);
+                return response;
+            }
+
+            case TestProtocol.REQUEST_NATIVE_LEAK: {
+                if (sLeaks == null) sLeaks = new LinkedList();
+
+                // Allocate and dirty a bitmap.
+                final Bitmap bitmap = Bitmap.createBitmap(512, 512, ARGB_8888);
+                bitmap.eraseColor(Color.RED);
+                sLeaks.add(bitmap);
+                return response;
+            }
+
+            case TestProtocol.REQUEST_VIEW_LEAK: {
+                if (sLeaks == null) sLeaks = new LinkedList();
+                sLeaks.add(new View(mContext));
+                return response;
+            }
+
+            default:
+                return super.call(method);
+        }
+    }
+}
diff --git a/quickstep/recents_ui_overrides/src/com/android/quickstep/QuickstepTestInformationHandler.java b/quickstep/recents_ui_overrides/src/com/android/quickstep/QuickstepTestInformationHandler.java
index a28dabc..1fc7aa4 100644
--- a/quickstep/recents_ui_overrides/src/com/android/quickstep/QuickstepTestInformationHandler.java
+++ b/quickstep/recents_ui_overrides/src/com/android/quickstep/QuickstepTestInformationHandler.java
@@ -4,21 +4,18 @@
 import android.content.Context;
 import android.os.Bundle;
 
+import com.android.launcher3.LauncherState;
 import com.android.launcher3.config.FeatureFlags;
 import com.android.launcher3.testing.TestInformationHandler;
 import com.android.launcher3.testing.TestProtocol;
 import com.android.launcher3.touch.PagedOrientationHandler;
 import com.android.launcher3.uioverrides.touchcontrollers.PortraitStatesTouchController;
 import com.android.quickstep.util.LayoutUtils;
-import com.android.systemui.shared.recents.model.Task;
-
-import java.util.ArrayList;
-import java.util.concurrent.CountDownLatch;
-import java.util.concurrent.TimeUnit;
 
 public class QuickstepTestInformationHandler extends TestInformationHandler {
 
-    private final Context mContext;
+    protected final Context mContext;
+
     public QuickstepTestInformationHandler(Context context) {
         mContext = context;
     }
@@ -27,6 +24,15 @@
     public Bundle call(String method) {
         final Bundle response = new Bundle();
         switch (method) {
+            case TestProtocol.REQUEST_ALL_APPS_TO_OVERVIEW_SWIPE_HEIGHT: {
+                return getLauncherUIProperty(Bundle::putInt, l -> {
+                    final float progress = LauncherState.OVERVIEW.getVerticalProgress(l)
+                            - LauncherState.ALL_APPS.getVerticalProgress(l);
+                    final float distance = l.getAllAppsController().getShiftRange() * progress;
+                    return (int) distance;
+                });
+            }
+
             case TestProtocol.REQUEST_HOME_TO_OVERVIEW_SWIPE_HEIGHT: {
                 final float swipeHeight =
                         LayoutUtils.getDefaultSwipeHeight(mContext, mDeviceProfile);
@@ -47,26 +53,6 @@
                         Bundle::putInt, PortraitStatesTouchController::getHotseatTop);
             }
 
-            case TestProtocol.REQUEST_RECENT_TASKS_LIST: {
-                ArrayList<String> taskBaseIntentComponents = new ArrayList<>();
-                CountDownLatch latch = new CountDownLatch(1);
-                RecentsModel.INSTANCE.get(mContext).getTasks((tasks) -> {
-                    for (Task t : tasks) {
-                        taskBaseIntentComponents.add(
-                                t.key.baseIntent.getComponent().flattenToString());
-                    }
-                    latch.countDown();
-                });
-                try {
-                    latch.await(2, TimeUnit.SECONDS);
-                } catch (InterruptedException e) {
-                    throw new RuntimeException(e);
-                }
-                response.putStringArrayList(TestProtocol.TEST_INFO_RESPONSE_FIELD,
-                        taskBaseIntentComponents);
-                return response;
-            }
-
             case TestProtocol.REQUEST_OVERVIEW_ACTIONS_ENABLED: {
                 response.putBoolean(TestProtocol.TEST_INFO_RESPONSE_FIELD,
                         FeatureFlags.ENABLE_OVERVIEW_ACTIONS.get());
diff --git a/src/com/android/launcher3/testing/TestInformationHandler.java b/src/com/android/launcher3/testing/TestInformationHandler.java
index e786f07..38b3712 100644
--- a/src/com/android/launcher3/testing/TestInformationHandler.java
+++ b/src/com/android/launcher3/testing/TestInformationHandler.java
@@ -15,27 +15,17 @@
  */
 package com.android.launcher3.testing;
 
-import static android.graphics.Bitmap.Config.ARGB_8888;
-
 import static com.android.launcher3.allapps.AllAppsStore.DEFER_UPDATES_TEST;
 import static com.android.launcher3.util.Executors.MAIN_EXECUTOR;
 
 import android.annotation.TargetApi;
 import android.app.Activity;
 import android.content.Context;
-import android.graphics.Bitmap;
-import android.graphics.Color;
 import android.graphics.Insets;
 import android.os.Build;
 import android.os.Bundle;
-import android.os.Debug;
-import android.system.Os;
-import android.util.Log;
-import android.view.View;
 import android.view.WindowInsets;
 
-import androidx.annotation.Keep;
-
 import com.android.launcher3.DeviceProfile;
 import com.android.launcher3.InvariantDeviceProfile;
 import com.android.launcher3.Launcher;
@@ -44,10 +34,7 @@
 import com.android.launcher3.R;
 import com.android.launcher3.util.ResourceBasedOverride;
 
-import java.util.LinkedList;
-import java.util.concurrent.CountDownLatch;
 import java.util.concurrent.ExecutionException;
-import java.util.concurrent.TimeUnit;
 import java.util.function.Function;
 import java.util.function.Supplier;
 
@@ -65,7 +52,6 @@
     protected Context mContext;
     protected DeviceProfile mDeviceProfile;
     protected LauncherAppState mLauncherAppState;
-    private static LinkedList mLeaks;
 
     public void init(Context context) {
         mContext = context;
@@ -77,15 +63,6 @@
     public Bundle call(String method) {
         final Bundle response = new Bundle();
         switch (method) {
-            case TestProtocol.REQUEST_ALL_APPS_TO_OVERVIEW_SWIPE_HEIGHT: {
-                return getLauncherUIProperty(Bundle::putInt, l -> {
-                    final float progress = LauncherState.OVERVIEW.getVerticalProgress(l)
-                            - LauncherState.ALL_APPS.getVerticalProgress(l);
-                    final float distance = l.getAllAppsController().getShiftRange() * progress;
-                    return (int) distance;
-                });
-            }
-
             case TestProtocol.REQUEST_HOME_TO_ALL_APPS_SWIPE_HEIGHT: {
                 return getLauncherUIProperty(Bundle::putInt, l -> {
                     final float progress = LauncherState.NORMAL.getVerticalProgress(l)
@@ -99,14 +76,6 @@
                 return getUIProperty(Bundle::putBoolean, t -> isLauncherInitialized(), () -> true);
             }
 
-            case TestProtocol.REQUEST_ENABLE_DEBUG_TRACING:
-                TestProtocol.sDebugTracing = true;
-                break;
-
-            case TestProtocol.REQUEST_DISABLE_DEBUG_TRACING:
-                TestProtocol.sDebugTracing = false;
-                break;
-
             case TestProtocol.REQUEST_FREEZE_APP_LIST:
                 return getLauncherUIProperty(Bundle::putBoolean, l -> {
                     l.getAppsView().getAppsStore().enableDeferUpdates(DEFER_UPDATES_TEST);
@@ -118,11 +87,6 @@
                     return true;
                 });
 
-            case TestProtocol.REQUEST_APP_LIST_FREEZE_FLAGS: {
-                return getLauncherUIProperty(Bundle::putInt,
-                        l -> l.getAppsView().getAppsStore().getDeferUpdatesFlags());
-            }
-
             case TestProtocol.REQUEST_APPS_LIST_SCROLL_Y: {
                 return getLauncherUIProperty(Bundle::putInt,
                         l -> l.getAppsView().getActiveRecyclerView().getCurrentScrollY());
@@ -137,59 +101,19 @@
                 }, this::getCurrentActivity);
             }
 
-            case TestProtocol.REQUEST_PID: {
-                response.putInt(TestProtocol.TEST_INFO_RESPONSE_FIELD, Os.getpid());
-                break;
-            }
-
-            case TestProtocol.REQUEST_TOTAL_PSS_KB: {
-                runGcAndFinalizersSync();
-                Debug.MemoryInfo mem = new Debug.MemoryInfo();
-                Debug.getMemoryInfo(mem);
-                response.putInt(TestProtocol.TEST_INFO_RESPONSE_FIELD, mem.getTotalPss());
-                break;
-            }
-
-            case TestProtocol.REQUEST_JAVA_LEAK: {
-                if (mLeaks == null) mLeaks = new LinkedList();
-
-                // Allocate and dirty the memory.
-                final int leakSize = 1024 * 1024;
-                final byte[] bytes = new byte[leakSize];
-                for (int i = 0; i < leakSize; i += 239) {
-                    bytes[i] = (byte) (i % 256);
-                }
-                mLeaks.add(bytes);
-                break;
-            }
-
-            case TestProtocol.REQUEST_NATIVE_LEAK: {
-                if (mLeaks == null) mLeaks = new LinkedList();
-
-                // Allocate and dirty a bitmap.
-                final Bitmap bitmap = Bitmap.createBitmap(512, 512, ARGB_8888);
-                bitmap.eraseColor(Color.RED);
-                mLeaks.add(bitmap);
-                break;
-            }
-
-            case TestProtocol.REQUEST_VIEW_LEAK: {
-                if (mLeaks == null) mLeaks = new LinkedList();
-                mLeaks.add(new View(mContext));
-                break;
-            }
-
             case TestProtocol.REQUEST_ICON_HEIGHT: {
                 response.putInt(TestProtocol.TEST_INFO_RESPONSE_FIELD,
                         mDeviceProfile.allAppsCellHeightPx);
-                break;
+                return response;
             }
 
             case TestProtocol.REQUEST_MOCK_SENSOR_ROTATION:
                 TestProtocol.sDisableSensorRotation = true;
-                break;
+                return response;
+
+            default:
+                return null;
         }
-        return response;
     }
 
     protected boolean isLauncherInitialized() {
@@ -201,22 +125,6 @@
         return Launcher.ACTIVITY_TRACKER.getCreatedActivity();
     }
 
-    private static void runGcAndFinalizersSync() {
-        Runtime.getRuntime().gc();
-        Runtime.getRuntime().runFinalization();
-
-        final CountDownLatch fence = new CountDownLatch(1);
-        createFinalizationObserver(fence);
-        try {
-            do {
-                Runtime.getRuntime().gc();
-                Runtime.getRuntime().runFinalization();
-            } while (!fence.await(100, TimeUnit.MILLISECONDS));
-        } catch (InterruptedException ex) {
-            throw new RuntimeException(ex);
-        }
-    }
-
     /**
      * Returns the result by getting a Launcher property on UI thread
      */
@@ -257,21 +165,4 @@
          */
         void set(Bundle b, String key, T value);
     }
-
-    // Create the observer in the scope of a method to minimize the chance that
-    // it remains live in a DEX/machine register at the point of the fence guard.
-    // This must be kept to avoid R8 inlining it.
-    @Keep
-    private static void createFinalizationObserver(CountDownLatch fence) {
-        new Object() {
-            @Override
-            protected void finalize() throws Throwable {
-                try {
-                    fence.countDown();
-                } finally {
-                    super.finalize();
-                }
-            }
-        };
-    }
 }
diff --git a/tests/src/com/android/launcher3/ui/AbstractLauncherUiTest.java b/tests/src/com/android/launcher3/ui/AbstractLauncherUiTest.java
index 7cce044..3d39d25 100644
--- a/tests/src/com/android/launcher3/ui/AbstractLauncherUiTest.java
+++ b/tests/src/com/android/launcher3/ui/AbstractLauncherUiTest.java
@@ -294,7 +294,8 @@
         // Limits UI tests affecting tests running after them.
         mLauncher.waitForLauncherInitialized();
         if (mLauncherPid != 0) {
-            assertEquals("Launcher crashed, pid mismatch:", mLauncherPid, mLauncher.getPid());
+            assertEquals("Launcher crashed, pid mismatch:",
+                    mLauncherPid, mLauncher.getPid().intValue());
         }
         checkDetectedLeaks(mLauncher);
     }
diff --git a/tests/tapl/com/android/launcher3/tapl/AllApps.java b/tests/tapl/com/android/launcher3/tapl/AllApps.java
index 808be66..b6c17df 100644
--- a/tests/tapl/com/android/launcher3/tapl/AllApps.java
+++ b/tests/tapl/com/android/launcher3/tapl/AllApps.java
@@ -18,6 +18,7 @@
 
 import android.graphics.Point;
 import android.graphics.Rect;
+import android.os.Bundle;
 import android.widget.TextView;
 
 import androidx.annotation.NonNull;
@@ -244,8 +245,8 @@
     }
 
     private void verifyNotFrozen(String message) {
-        mLauncher.assertEquals(message, 0, mLauncher.getTestInfo(
-                TestProtocol.REQUEST_APP_LIST_FREEZE_FLAGS).
-                getInt(TestProtocol.TEST_INFO_RESPONSE_FIELD));
+        final Bundle testInfo = mLauncher.getTestInfo(TestProtocol.REQUEST_APP_LIST_FREEZE_FLAGS);
+        if (testInfo == null) return;
+        mLauncher.assertEquals(message, 0, testInfo.getInt(TestProtocol.TEST_INFO_RESPONSE_FIELD));
     }
 }
diff --git a/tests/tapl/com/android/launcher3/tapl/LauncherInstrumentation.java b/tests/tapl/com/android/launcher3/tapl/LauncherInstrumentation.java
index 7ddb492..9f4d9ce 100644
--- a/tests/tapl/com/android/launcher3/tapl/LauncherInstrumentation.java
+++ b/tests/tapl/com/android/launcher3/tapl/LauncherInstrumentation.java
@@ -1309,8 +1309,9 @@
                 getInt(TestProtocol.TEST_INFO_RESPONSE_FIELD);
     }
 
-    public int getPid() {
-        return getTestInfo(TestProtocol.REQUEST_PID).getInt(TestProtocol.TEST_INFO_RESPONSE_FIELD);
+    public Integer getPid() {
+        final Bundle testInfo = getTestInfo(TestProtocol.REQUEST_PID);
+        return testInfo != null ? testInfo.getInt(TestProtocol.TEST_INFO_RESPONSE_FIELD) : null;
     }
 
     public void produceJavaLeak() {
@@ -1338,13 +1339,13 @@
     public Closable eventsCheck() {
         Assert.assertTrue("Nested event checking", !sCheckingEvents);
         disableSensorRotation();
-        final int initialPid = getPid();
+        final Integer initialPid = getPid();
         if (sEventChecker == null) sEventChecker = new LogEventChecker();
         sEventChecker.start();
         sCheckingEvents = true;
 
         return () -> {
-            if (initialPid != getPid()) {
+            if (initialPid != null && initialPid.intValue() != getPid()) {
                 if (mOnLauncherCrashed != null) mOnLauncherCrashed.run();
                 checkForAnomaly();
                 Assert.fail(