Fix #28120, strong mode allows field overrides

pkg/analyzer/test/src/task/strong/inferred_type_test.dart

Index: pkg/analyzer/test/src/task/strong/inferred_type_test.dart
diff --git a/pkg/analyzer/test/src/task/strong/inferred_type_test.dart b/pkg/analyzer/test/src/task/strong/inferred_type_test.dart
index 67f38510f4682cc1d1fb315d008cd45f5e71556c..67768780f1a64a26bd0e9610e8b2171fa5249758 100644
--- a/pkg/analyzer/test/src/task/strong/inferred_type_test.dart
+++ b/pkg/analyzer/test/src/task/strong/inferred_type_test.dart
@@ -3285,7 +3285,7 @@ main() {
   test_inferParameterType_setter_fromField() async {
     var mainUnit = await checkFileElement('''
 class C extends D {
-  /*error:INVALID_FIELD_OVERRIDE*/set foo(x) {}
+  set foo(x) {}
 }
 class D {
   int foo;
@@ -3705,7 +3705,7 @@ class A {
 }
 
 class B extends A {
-  /*error:INVALID_FIELD_OVERRIDE*/get x => 3;
+  get x => 3;
 }
 
 foo() {
@@ -3845,7 +3845,7 @@ class A<T> {
 
 class B<E> extends A<E> {
   E y;
-  /*error:INVALID_FIELD_OVERRIDE*/get x => y;
+  get x => y;
 }
 
 foo() {