fix some unit test cases(ink_well_test.dart) bug (#70447)

This change fixes some bugs in ink_well_test.dart.

packages/flutter/test/material/ink_well_test.dart

@@ -185,7 +185,7 @@ void main() {
     );
     await tester.pumpAndSettle();
     final RenderObject inkFeatures = tester.allRenderObjects.firstWhere((RenderObject object) => object.runtimeType.toString() == '_RenderInkFeatures');
-    expect(inkFeatures, paintsExactlyCountTimes(#rect, 0));
+    expect(inkFeatures, paintsExactlyCountTimes(#drawRect, 0));
     focusNode.requestFocus();
     await tester.pumpAndSettle();
     expect(inkFeatures, paints
@@ -228,7 +228,7 @@ void main() {
     );
     await tester.pumpAndSettle();
     final RenderObject inkFeatures = tester.allRenderObjects.firstWhere((RenderObject object) => object.runtimeType.toString() == '_RenderInkFeatures');
-    expect(inkFeatures, paintsExactlyCountTimes(#rect, 0));
+    expect(inkFeatures, paintsExactlyCountTimes(#drawRect, 0));
     focusNode.requestFocus();
     await tester.pumpAndSettle();
     expect(inkFeatures, paints
@@ -350,12 +350,11 @@ void main() {
       child: Directionality(
         textDirection: TextDirection.ltr,
         child: Center(
-          child: Focus(
-            focusNode: focusNode,
           child: Container(
             width: 100,
             height: 100,
             child: InkWell(
+              focusNode: focusNode,
               hoverColor: const Color(0xff00ff00),
               splashColor: const Color(0xffff0000),
               focusColor: const Color(0xff0000ff),
@@ -367,14 +366,13 @@ void main() {
           ),
         ),
       ),
-      ),
     ));
     await tester.pumpAndSettle();
     final RenderObject inkFeatures = tester.allRenderObjects.firstWhere((RenderObject object) => object.runtimeType.toString() == '_RenderInkFeatures');
-    expect(inkFeatures, paintsExactlyCountTimes(#rect, 0));
+    expect(inkFeatures, paintsExactlyCountTimes(#drawRect, 0));
     focusNode.requestFocus();
     await tester.pumpAndSettle();
-    expect(inkFeatures, paintsExactlyCountTimes(#rect, 0));
+    expect(inkFeatures, paintsExactlyCountTimes(#drawRect, 0));
   });
 
   testWidgets('InkWell.mouseCursor changes cursor on hover', (WidgetTester tester) async {