diff --git a/quickstep/recents_ui_overrides/src/com/android/launcher3/appprediction/AllAppsTipView.java b/quickstep/recents_ui_overrides/src/com/android/launcher3/appprediction/AllAppsTipView.java
index 948f39e..d3042cf 100644
--- a/quickstep/recents_ui_overrides/src/com/android/launcher3/appprediction/AllAppsTipView.java
+++ b/quickstep/recents_ui_overrides/src/com/android/launcher3/appprediction/AllAppsTipView.java
@@ -19,7 +19,6 @@
 import static com.android.launcher3.LauncherState.ALL_APPS;
 import static com.android.quickstep.logging.UserEventDispatcherExtension.ALL_APPS_PREDICTION_TIPS;
 
-import android.app.ActivityManager;
 import android.content.Context;
 import android.graphics.CornerPathEffect;
 import android.graphics.Paint;
@@ -39,6 +38,7 @@
 import com.android.launcher3.LauncherState;
 import com.android.launcher3.LauncherStateManager;
 import com.android.launcher3.R;
+import com.android.launcher3.Utilities;
 import com.android.launcher3.allapps.FloatingHeaderView;
 import com.android.launcher3.anim.Interpolators;
 import com.android.launcher3.compat.UserManagerCompat;
@@ -152,7 +152,7 @@
                 || !launcher.isInState(ALL_APPS)
                 || hasSeenAllAppsTip(launcher)
                 || UserManagerCompat.getInstance(launcher).isDemoUser()
-                || ActivityManager.isRunningInTestHarness()) {
+                || Utilities.IS_RUNNING_IN_TEST_HARNESS) {
             return false;
         }
 
diff --git a/src/com/android/launcher3/TestProtocol.java b/src/com/android/launcher3/TestProtocol.java
index ecbaa5b..eefecda 100644
--- a/src/com/android/launcher3/TestProtocol.java
+++ b/src/com/android/launcher3/TestProtocol.java
@@ -24,6 +24,7 @@
     public static final String SCROLL_Y_FIELD = "scrollY";
     public static final String STATE_FIELD = "state";
     public static final String SWITCHED_TO_STATE_MESSAGE = "TAPL_SWITCHED_TO_STATE";
+    public static final String SCROLL_FINISHED_MESSAGE = "TAPL_SCROLL_FINISHED";
     public static final String RESPONSE_MESSAGE_POSTFIX = "_RESPONSE";
     public static final int NORMAL_STATE_ORDINAL = 0;
     public static final int SPRING_LOADED_STATE_ORDINAL = 1;
diff --git a/src/com/android/launcher3/allapps/AllAppsRecyclerView.java b/src/com/android/launcher3/allapps/AllAppsRecyclerView.java
index 180ca48..548d5de 100644
--- a/src/com/android/launcher3/allapps/AllAppsRecyclerView.java
+++ b/src/com/android/launcher3/allapps/AllAppsRecyclerView.java
@@ -32,7 +32,8 @@
 import com.android.launcher3.Launcher;
 import com.android.launcher3.LauncherAppState;
 import com.android.launcher3.R;
-import com.android.launcher3.graphics.DrawableFactory;
+import com.android.launcher3.Utilities;
+import com.android.launcher3.compat.AccessibilityManagerCompat;
 import com.android.launcher3.logging.StatsLogUtils.LogContainerProvider;
 import com.android.launcher3.userevent.nano.LauncherLogProto.ContainerType;
 import com.android.launcher3.userevent.nano.LauncherLogProto.Target;
@@ -419,4 +420,13 @@
     public boolean hasOverlappingRendering() {
         return false;
     }
+
+    @Override
+    public void onScrollStateChanged(int state) {
+        super.onScrollStateChanged(state);
+
+        if (state == SCROLL_STATE_IDLE && Utilities.IS_RUNNING_IN_TEST_HARNESS) {
+            AccessibilityManagerCompat.sendScrollFinishedEventToTest(getContext());
+        }
+    }
 }
diff --git a/src/com/android/launcher3/allapps/DiscoveryBounce.java b/src/com/android/launcher3/allapps/DiscoveryBounce.java
index 7467119..1d62b43 100644
--- a/src/com/android/launcher3/allapps/DiscoveryBounce.java
+++ b/src/com/android/launcher3/allapps/DiscoveryBounce.java
@@ -24,7 +24,6 @@
 import android.animation.Animator;
 import android.animation.AnimatorInflater;
 import android.animation.AnimatorListenerAdapter;
-import android.app.ActivityManager;
 import android.content.SharedPreferences;
 import android.os.Handler;
 import android.view.MotionEvent;
@@ -32,6 +31,7 @@
 import com.android.launcher3.AbstractFloatingView;
 import com.android.launcher3.Launcher;
 import com.android.launcher3.R;
+import com.android.launcher3.Utilities;
 import com.android.launcher3.compat.UserManagerCompat;
 import com.android.launcher3.states.InternalStateHandler;
 
@@ -134,7 +134,7 @@
                 && !shouldShowForWorkProfile(launcher))
                 || AbstractFloatingView.getTopOpenView(launcher) != null
                 || UserManagerCompat.getInstance(launcher).isDemoUser()
-                || ActivityManager.isRunningInTestHarness()) {
+                || Utilities.IS_RUNNING_IN_TEST_HARNESS) {
             return;
         }
 
@@ -159,7 +159,7 @@
                 || (launcher.getSharedPrefs().getBoolean(SHELF_BOUNCE_SEEN, false)
                 && !shouldShowForWorkProfile(launcher))
                 || UserManagerCompat.getInstance(launcher).isDemoUser()
-                || ActivityManager.isRunningInTestHarness()) {
+                || Utilities.IS_RUNNING_IN_TEST_HARNESS) {
             return;
         }
 
diff --git a/src/com/android/launcher3/compat/AccessibilityManagerCompat.java b/src/com/android/launcher3/compat/AccessibilityManagerCompat.java
index b4d0c54..86f773f 100644
--- a/src/com/android/launcher3/compat/AccessibilityManagerCompat.java
+++ b/src/com/android/launcher3/compat/AccessibilityManagerCompat.java
@@ -62,6 +62,13 @@
         sendEventToTest(accessibilityManager, TestProtocol.SWITCHED_TO_STATE_MESSAGE, parcel);
     }
 
+    public static void sendScrollFinishedEventToTest(Context context) {
+        final AccessibilityManager accessibilityManager = getAccessibilityManagerForTest(context);
+        if (accessibilityManager == null) return;
+
+        sendEventToTest(accessibilityManager, TestProtocol.SCROLL_FINISHED_MESSAGE, null);
+    }
+
     private static void sendEventToTest(
             AccessibilityManager accessibilityManager, String eventTag, Bundle data) {
         final AccessibilityEvent e = AccessibilityEvent.obtain(
diff --git a/tests/tapl/com/android/launcher3/tapl/AllApps.java b/tests/tapl/com/android/launcher3/tapl/AllApps.java
index 68bdfe3..7ad7b74 100644
--- a/tests/tapl/com/android/launcher3/tapl/AllApps.java
+++ b/tests/tapl/com/android/launcher3/tapl/AllApps.java
@@ -18,6 +18,8 @@
 
 import static com.android.launcher3.tapl.LauncherInstrumentation.NavigationModel.ZERO_BUTTON;
 
+import android.graphics.Rect;
+
 import androidx.annotation.NonNull;
 import androidx.test.uiautomator.BySelector;
 import androidx.test.uiautomator.Direction;
@@ -32,7 +34,6 @@
 public class AllApps extends LauncherInstrumentation.VisibleContainer {
     private static final int MAX_SCROLL_ATTEMPTS = 40;
     private static final int MIN_INTERACT_SIZE = 100;
-    private static final int FLING_SPEED = LauncherInstrumentation.needSlowGestures() ? 1000 : 3000;
 
     private final int mHeight;
 
@@ -102,7 +103,7 @@
                             "search_container_all_apps");
 
             int attempts = 0;
-            allAppsContainer.setGestureMargins(0, searchBox.getVisibleBounds().bottom + 1, 0, 5);
+            final Rect margins = new Rect(0, searchBox.getVisibleBounds().bottom + 1, 0, 5);
 
             for (int scroll = getScroll(allAppsContainer);
                     scroll != 0;
@@ -113,7 +114,7 @@
                         "Exceeded max scroll attempts: " + MAX_SCROLL_ATTEMPTS,
                         ++attempts <= MAX_SCROLL_ATTEMPTS);
 
-                allAppsContainer.scroll(Direction.UP, 1);
+                mLauncher.scrollWithModelTime(allAppsContainer, Direction.UP, 1, margins, 50);
             }
 
             try (LauncherInstrumentation.Closable c1 = mLauncher.addContextLayer("scrolled up")) {
@@ -133,7 +134,7 @@
             // Try to figure out how much percentage of the container needs to be scrolled in order
             // to reveal the app icon to have the MIN_INTERACT_SIZE
             final float pct = Math.max(((float) (MIN_INTERACT_SIZE - appHeight)) / mHeight, 0.2f);
-            allAppsContainer.scroll(Direction.DOWN, pct);
+            mLauncher.scrollWithModelTime(allAppsContainer, Direction.DOWN, pct, null, 10);
             try (LauncherInstrumentation.Closable c = mLauncher.addContextLayer(
                     "scrolled an icon in all apps to make it visible - and then")) {
                 mLauncher.waitForIdle();
@@ -150,9 +151,8 @@
                      mLauncher.addContextLayer("want to fling forward in all apps")) {
             final UiObject2 allAppsContainer = verifyActiveContainer();
             // Start the gesture in the center to avoid starting at elements near the top.
-            allAppsContainer.setGestureMargins(0, 0, 0, mHeight / 2);
-            allAppsContainer.fling(Direction.DOWN,
-                    (int) (FLING_SPEED * mLauncher.getDisplayDensity()));
+            mLauncher.scrollWithModelTime(
+                    allAppsContainer, Direction.DOWN, 1, new Rect(0, 0, 0, mHeight / 2), 10);
             verifyActiveContainer();
         }
     }
@@ -165,9 +165,8 @@
                      mLauncher.addContextLayer("want to fling backward in all apps")) {
             final UiObject2 allAppsContainer = verifyActiveContainer();
             // Start the gesture in the center, for symmetry with forward.
-            allAppsContainer.setGestureMargins(0, mHeight / 2, 0, 0);
-            allAppsContainer.fling(Direction.UP,
-                    (int) (FLING_SPEED * mLauncher.getDisplayDensity()));
+            mLauncher.scrollWithModelTime(
+                    allAppsContainer, Direction.UP, 1, new Rect(0, mHeight / 2, 0, 0), 10);
             verifyActiveContainer();
         }
     }
diff --git a/tests/tapl/com/android/launcher3/tapl/LauncherInstrumentation.java b/tests/tapl/com/android/launcher3/tapl/LauncherInstrumentation.java
index 4d8ff1b..e5d27ad 100644
--- a/tests/tapl/com/android/launcher3/tapl/LauncherInstrumentation.java
+++ b/tests/tapl/com/android/launcher3/tapl/LauncherInstrumentation.java
@@ -27,6 +27,7 @@
 import android.content.pm.PackageManager;
 import android.content.res.Resources;
 import android.graphics.Point;
+import android.graphics.Rect;
 import android.net.Uri;
 import android.os.Build;
 import android.os.Bundle;
@@ -46,6 +47,7 @@
 import androidx.test.uiautomator.By;
 import androidx.test.uiautomator.BySelector;
 import androidx.test.uiautomator.Configurator;
+import androidx.test.uiautomator.Direction;
 import androidx.test.uiautomator.UiDevice;
 import androidx.test.uiautomator.UiObject2;
 import androidx.test.uiautomator.Until;
@@ -360,7 +362,7 @@
                         ? NORMAL_STATE_ORDINAL : BACKGROUND_APP_STATE_ORDINAL;
                 final Point displaySize = getRealDisplaySize();
 
-                swipeViaMovePointer(
+                swipeWithModelTime(
                         displaySize.x / 2, displaySize.y - 1,
                         displaySize.x / 2, 0,
                         finalState, ZERO_BUTTON_STEPS_FROM_BACKGROUND_TO_HOME);
@@ -548,18 +550,65 @@
                 () -> mDevice.swipe(startX, startY, endX, endY, steps));
     }
 
-    void swipeViaMovePointer(
+    void swipeWithModelTime(
             int startX, int startY, int endX, int endY, int expectedState, int steps) {
-        changeStateViaGesture(startX, startY, endX, endY, expectedState, () -> {
-            final long downTime = SystemClock.uptimeMillis();
-            final Point start = new Point(startX, startY);
-            final Point end = new Point(endX, endY);
-            sendPointer(downTime, downTime, MotionEvent.ACTION_DOWN, start);
-            final long endTime = movePointer(downTime, downTime, steps * GESTURE_STEP_MS, start,
-                    end);
-            sendPointer(
-                    downTime, endTime, MotionEvent.ACTION_UP, end);
-        });
+        changeStateViaGesture(startX, startY, endX, endY, expectedState,
+                () -> swipeWithModelTime(startX, startY, endX, endY, steps));
+    }
+
+    void scrollWithModelTime(
+            UiObject2 container, Direction direction, float percent, Rect margins, int steps) {
+        final Rect rect = container.getVisibleBounds();
+        if (margins != null) {
+            rect.left += margins.left;
+            rect.top += margins.top;
+            rect.right -= margins.right;
+            rect.bottom -= margins.bottom;
+        }
+
+        final int startX;
+        final int startY;
+        final int endX;
+        final int endY;
+
+        switch (direction) {
+            case UP: {
+                startX = endX = rect.centerX();
+                final int vertCenter = rect.centerY();
+                final float halfGestureHeight = rect.height() * percent / 2.0f;
+                startY = (int) (vertCenter - halfGestureHeight);
+                endY = (int) (vertCenter + halfGestureHeight);
+            }
+            break;
+            case DOWN: {
+                startX = endX = rect.centerX();
+                final int vertCenter = rect.centerY();
+                final float halfGestureHeight = rect.height() * percent / 2.0f;
+                startY = (int) (vertCenter + halfGestureHeight);
+                endY = (int) (vertCenter - halfGestureHeight);
+            }
+            break;
+            default:
+                fail("Unsupported direction");
+                return;
+        }
+
+        executeAndWaitForEvent(
+                () -> swipeWithModelTime(startX, startY, endX, endY, steps),
+                event -> TestProtocol.SCROLL_FINISHED_MESSAGE.equals(event.getClassName()),
+                "Didn't receive a scroll end message: " + startX + ", " + startY
+                        + ", " + endX + ", " + endY);
+    }
+
+    // Inject a swipe gesture. Inject exactly 'steps' motion points, incrementing event time by a
+    // fixed interval each time.
+    private void swipeWithModelTime(int startX, int startY, int endX, int endY, int steps) {
+        final long downTime = SystemClock.uptimeMillis();
+        final Point start = new Point(startX, startY);
+        final Point end = new Point(endX, endY);
+        sendPointer(downTime, downTime, MotionEvent.ACTION_DOWN, start);
+        final long endTime = movePointer(downTime, downTime, steps * GESTURE_STEP_MS, start, end);
+        sendPointer(downTime, endTime, MotionEvent.ACTION_UP, end);
     }
 
     private void changeStateViaGesture(int startX, int startY, int endX, int endY,
@@ -673,10 +722,7 @@
     }
 
     static void sleep(int duration) {
-        try {
-            Thread.sleep(duration);
-        } catch (InterruptedException e) {
-        }
+        SystemClock.sleep(duration);
     }
 
     int getEdgeSensitivityWidth() {