Documentation update to advertize timedDrag (#106489)

packages/flutter_test/lib/src/controller.dart

@@ -781,6 +781,12 @@ abstract class WidgetController {
   ///
   /// You can use [createGesture] if your gesture doesn't begin with an initial
   /// down gesture.
+  ///
+  /// See also:
+  ///  * [WidgetController.drag], a method to simulate a drag.
+  ///  * [WidgetController.timedDrag], a method to simulate the drag of a given widget in a given duration.
+  ///    It sends move events at a given frequency and it is useful when there are listeners involved.
+  ///  * [WidgetController.fling], a method to simulate a fling.
   Future<TestGesture> startGesture(
     Offset downLocation, {
     int? pointer,

packages/flutter_test/lib/src/test_pointer.dart

@@ -463,6 +463,12 @@ class TestGesture {
   ///
   /// If the pointer is down, then a move event is dispatched. If the pointer is
   /// up, then a hover event is dispatched.
+  ///
+  /// See also:
+  ///  * [WidgetController.drag], a method to simulate a drag.
+  ///  * [WidgetController.timedDrag], a method to simulate the drag of a given widget in a given duration.
+  ///    It sends move events at a given frequency and it is useful when there are listeners involved.
+  ///  * [WidgetController.fling], a method to simulate a fling.
   Future<void> moveBy(Offset offset, { Duration timeStamp = Duration.zero }) {
     assert(_pointer.location != null);
     return moveTo(_pointer.location! + offset, timeStamp: timeStamp);
@@ -472,6 +478,12 @@ class TestGesture {
   ///
   /// If the pointer is down, then a move event is dispatched. If the pointer is
   /// up, then a hover event is dispatched.
+  ///
+  /// See also:
+  ///  * [WidgetController.drag], a method to simulate a drag.
+  ///  * [WidgetController.timedDrag], a method to simulate the drag of a given widget in a given duration.
+  ///    It sends move events at a given frequency and it is useful when there are listeners involved.
+  ///  * [WidgetController.fling], a method to simulate a fling.
   Future<void> moveTo(Offset location, { Duration timeStamp = Duration.zero }) {
     return TestAsyncUtils.guard<void>(() {
       if (_pointer._isDown) {