Test for the 'importing a package library' fix.

pkg/analysis_services/lib/src/correction/fix.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.
 
 // This code was auto-generated, is not intended to be edited, and is subject to
 // significant change. Please see the README file for more information.
 
 library services.src.correction.fix;
 
 import 'dart:collection';
@@ skipping 871 matching lines @@
         }
         if (element is PropertyAccessorElement) {
           element = (element as PropertyAccessorElement).variable;
         }
         if (element.kind != kind) {
           continue;
         }
         // prepare "library" file
         String libraryFile = librarySource.fullName;
         // may be "package:" URI
-        // TODO(scheglov) this code does not have a test
         {
           String libraryPackageUri = _findPackageUri(context, libraryFile);
           if (libraryPackageUri != null) {
             _addFix_importLibrary(
                 FixKind.IMPORT_LIBRARY_PROJECT,
                 libraryPackageUri);
             continue;
           }
         }
         // relative URI
@@ skipping 1063 matching lines @@
 /**
  * Describes the location for a newly created [ConstructorDeclaration].
  */
 class _ConstructorLocation {
   final String _prefix;
   final int _offset;
   final String _suffix;
 
   _ConstructorLocation(this._prefix, this._offset, this._suffix);
 }