do not suggest static methods from superclass - fixes #24258

pkg/analysis_server/test/completion_test.dart

 // Copyright (c) 2014, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 library test.completion.support;
 
 import 'dart:async';
 import 'dart:collection';
 
 import 'package:unittest/unittest.dart';
@@ skipping 1877 matching lines @@
   static int FIELD_A;
   static int methodA() {}
 }
 class B extends A {
   static int FIELD_B;
   static int methodB() {}
 }
 main() {
   B.!1;
 }''',
-        <String>["1+FIELD_B", "1-FIELD_A", "1+methodB", "1-methodA"],
-        failingTests: '1');
+        <String>["1+FIELD_B", "1-FIELD_A", "1+methodB", "1-methodA"]);
 
     buildTests(
         'testCompletion_propertyAccess_whenInstanceTarget',
         '''
 class A {
   static int FIELD;
   int fieldA;
 }
 class B {
   A a;
@@ skipping 1081 matching lines @@
       } else {
         ++expectedPassCount;
         tester(testName, () {
           CompletionTestCase test = new CompletionTestCase();
           return test.runTest(spec, extraFiles);
         });
       }
     }
   }
 }