refine when suggestions are limited to types

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:collection';
 
 import 'completion_test_support.dart';
 
@@ skipping 18 matching lines @@
     CompletionTestCase.buildTests('testCommentSnippets001', '''
 class X {static final num MAX = 0;num yc,xc;mth() {xc = yc = MA!1X;x!2c.abs();num f = M!3AX;}}''',
         <String>["1+MAX", "2+xc", "3+MAX"]);
 
     CompletionTestCase.buildTests('testCommentSnippets002', '''
 class Y {String x='hi';mth() {x.l!1ength;int n = 0;x!2.codeUnitAt(n!3);}}''',
         <String>["1+length", "2+x", "3+n"]);
 
     CompletionTestCase.buildTests('testCommentSnippets004', '''
 class A {!1int x; !2mth() {!3int y = this.!5x!6;}}class B{}''',
-        <String>["1+A", "2+B", "3+x", "3-y", "5+mth", "6+x"],
-        failingTests: '3');
+        <String>["1+A", "2+B", "3+x", "3-y", "5+mth", "6+x"]);
 
     CompletionTestCase.buildTests('testCommentSnippets005', '''
 class Date { static Date JUN, JUL;}class X { m() { return Da!1te.JU!2L; }}''',
         <String>["1+Date", "2+JUN", "2+JUL"]);
 
     CompletionTestCase.buildTests('testCommentSnippets007', '''
 class C {mth(Map x, !1) {}mtf(!2, Map x) {}m() {for (in!3t i=0; i<5; i++); A!4 x;}}class int{}class Arrays{}class bool{}''',
         <String>["1+bool", "2+bool", "3+int", "4+Arrays"],
         failingTests: '3');
 
@@ skipping 2345 matching lines @@
         'test_classMembers_inGetter',
         '''class A { var fff; get z {ff!1}}''',
         <String>["1+fff"]);
 
     CompletionTestCase.buildTests(
         'testSingle',
         '''class A {int x; !2mth() {int y = this.x;}}class B{}''',
         <String>["2+B"]);
   }
 }