Fix hints and clean-up obsolete comment syntax (TBR)

pkg/analysis_server/test/edit/sort_members_test.dart

Index: pkg/analysis_server/test/edit/sort_members_test.dart
diff --git a/pkg/analysis_server/test/edit/sort_members_test.dart b/pkg/analysis_server/test/edit/sort_members_test.dart
index f3abfade93095d203f770c1960a4b5b229082110..ff05f8f99ace826fa3738e14fe6efbbac28c8a30 100644
--- a/pkg/analysis_server/test/edit/sort_members_test.dart
+++ b/pkg/analysis_server/test/edit/sort_members_test.dart
@@ -180,8 +180,7 @@ class MyAnnotation {
 ''');
   }
 
-  @failingTest
-  test_OK_genericFunctionTypeInComments() async {
+  test_OK_genericFunctionType() async {
     addFile(
         projectPath + '/analysis_options.yaml',
         '''
@@ -204,14 +203,14 @@ class Super {}
 
 typedef dynamic Func(String x, String y);
 
-Function/*=F*/ allowInterop/*<F extends Function>*/(Function/*=F*/ f) => null;
+F allowInterop<F extends Function>(F f) => null;
 
 Func bar(Func f) {
   return allowInterop(f);
 }
 ''');
     return _assertSorted('''
-Function/*=F*/ allowInterop/*<F extends Function>*/(Function/*=F*/ f) => null;
+F allowInterop<F extends Function>(F f) => null;
 
 Func bar(Func f) {
   return allowInterop(f);