diff --git a/quickstep/src/com/android/quickstep/QuickstepTestInformationHandler.java b/quickstep/src/com/android/quickstep/QuickstepTestInformationHandler.java
index 76881d3e62..f808b1f722 100644
--- a/quickstep/src/com/android/quickstep/QuickstepTestInformationHandler.java
+++ b/quickstep/src/com/android/quickstep/QuickstepTestInformationHandler.java
@@ -219,6 +219,13 @@ public class QuickstepTestInformationHandler extends TestInformationHandler {
                 return getTISBinderUIProperty(Bundle::putInt, tisBinder ->
                         tisBinder.getTaskbarManager().getPrimaryDisplayId());
             }
+
+            case TestProtocol.REQUEST_DISMISS_MAGNETIC_DETACH_THRESHOLD: {
+                final Resources resources = mContext.getResources();
+                response.putInt(TestProtocol.TEST_INFO_RESPONSE_FIELD,
+                        resources.getDimensionPixelSize(R.dimen.task_dismiss_detach_threshold));
+                return response;
+            }
         }
 
         return super.call(method, arg, extras);
diff --git a/shared/src/com/android/launcher3/testing/shared/TestProtocol.java b/shared/src/com/android/launcher3/testing/shared/TestProtocol.java
index 1abfed29e8..b02695c137 100644
--- a/shared/src/com/android/launcher3/testing/shared/TestProtocol.java
+++ b/shared/src/com/android/launcher3/testing/shared/TestProtocol.java
@@ -186,6 +186,9 @@ public final class TestProtocol {
 
     public static final String REQUEST_TASKBAR_PRIMARY_DISPLAY_ID = "taskbar-primary-display-id";
 
+    public static final String REQUEST_DISMISS_MAGNETIC_DETACH_THRESHOLD =
+            "dismiss-magnetic-detach-threshold";
+
     /** Logs {@link Log#d(String, String)} if {@link #sDebugTracing} is true. */
     public static void testLogD(String tag, String message) {
         if (!sDebugTracing) {
diff --git a/tests/tapl/com/android/launcher3/tapl/LauncherInstrumentation.java b/tests/tapl/com/android/launcher3/tapl/LauncherInstrumentation.java
index db02a9ecf4..0b9ab06d0c 100644
--- a/tests/tapl/com/android/launcher3/tapl/LauncherInstrumentation.java
+++ b/tests/tapl/com/android/launcher3/tapl/LauncherInstrumentation.java
@@ -2735,4 +2735,10 @@ public final class LauncherInstrumentation {
                 () -> "Didn't detect finishing wallpaper-open animation",
                 actionName);
     }
+
+    /** Returns the magnetic detach threshold when dismissing a task view. */
+    public int getMagneticDetachThreshold() {
+        return getTestInfo(TestProtocol.REQUEST_DISMISS_MAGNETIC_DETACH_THRESHOLD).getInt(
+                TestProtocol.TEST_INFO_RESPONSE_FIELD);
+    }
 }
diff --git a/tests/tapl/com/android/launcher3/tapl/OverviewTask.java b/tests/tapl/com/android/launcher3/tapl/OverviewTask.java
index 0579a0767b..8049ec6ebf 100644
--- a/tests/tapl/com/android/launcher3/tapl/OverviewTask.java
+++ b/tests/tapl/com/android/launcher3/tapl/OverviewTask.java
@@ -185,8 +185,17 @@ public final class OverviewTask {
         final Rect taskBounds = mLauncher.getVisibleBounds(mTask);
         final int centerX = taskBounds.centerX();
         final int centerY = taskBounds.centerY();
+        // Magnetic detach interpolates during the attached region with y = 0.3x. We must account
+        // for this in the dismiss length to ensure the task is dragged far enough to dismiss.
+        int magneticDetachLength = mLauncher.getMagneticDetachThreshold();
+        int lengthTaskWillTravel =
+                (int) ((magneticDetachLength * 0.3f) + (centerY - magneticDetachLength));
+        int minimumDismissLength = taskBounds.bottom / 2;
+        int extraDismissLength = Math.max(minimumDismissLength - lengthTaskWillTravel, 0);
+        // Bound touch to a max of the bottom of the task, account for extra required dismiss length
+        final int startY = Math.min(centerY + extraDismissLength, taskBounds.bottom);
         mLauncher.executeAndWaitForLauncherEvent(
-                () -> mLauncher.linearGesture(centerX, centerY, centerX, 0, 10, false,
+                () -> mLauncher.linearGesture(centerX, startY, centerX, 0, 10, false,
                         LauncherInstrumentation.GestureScope.DONT_EXPECT_PILFER),
                 event -> TestProtocol.DISMISS_ANIMATION_ENDS_MESSAGE.equals(event.getClassName()),
                 () -> "Didn't receive a dismiss animation ends message: " + centerX + ", "