include library prefix suggestions when suggesting constructors

pkg/analysis_server/test/services/completion/completion_test_util.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.services.completion.util;
 
 import 'dart:async';
 
 import 'package:analysis_server/src/protocol.dart' as protocol
     show Element, ElementKind;
@@ skipping 301 matching lines @@
     expect(element.parameters, isNull);
     expect(element.returnType, isNull);
     assertHasNoParameterInfo(cs);
     return cs;
   }
 
   CompletionSuggestion assertSuggestLibraryPrefix(String prefix,
       [int relevance = DART_RELEVANCE_DEFAULT,
       CompletionSuggestionKind kind = CompletionSuggestionKind.INVOCATION]) {
     // Library prefix should only be suggested by ImportedComputer
-    if (computer is ImportedComputer) {
-      CompletionSuggestion cs =
-          assertSuggest(prefix, csKind: kind, relevance: relevance);
-      protocol.Element element = cs.element;
-      expect(element, isNotNull);
-      expect(element.kind, equals(protocol.ElementKind.LIBRARY));
-      expect(element.parameters, isNull);
-      expect(element.returnType, isNull);
-      assertHasNoParameterInfo(cs);
-      return cs;
-    } else {
-      return assertNotSuggested(prefix);
-    }
+    return assertNotSuggested(prefix);
   }
 
   CompletionSuggestion assertSuggestMethod(
       String name, String declaringType, String returnType,
       {int relevance: DART_RELEVANCE_DEFAULT,
       CompletionSuggestionKind kind: CompletionSuggestionKind.INVOCATION,
       bool isDeprecated: false}) {
     CompletionSuggestion cs = assertSuggest(name,
         csKind: kind, relevance: relevance, isDeprecated: isDeprecated);
     expect(cs.declaringType, equals(declaringType));
@@ skipping 2722 matching lines @@
       assertNotSuggested('bar2');
       assertNotSuggested('_B');
       assertSuggestLocalClass('Y');
       assertSuggestLocalClass('C');
       assertSuggestLocalVariable('f', null);
       assertNotSuggested('x');
       assertNotSuggested('e');
     });
   }
 }