do not suggest import uri reaching out of lib

pkg/analysis_server/test/services/completion/dart/uri_contributor_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.services.completion.contributor.dart.importuri;
 
 import 'package:analysis_server/plugin/protocol/protocol.dart';
 import 'package:analysis_server/src/provisional/completion/dart/completion_dart.dart';
 import 'package:analysis_server/src/services/completion/dart/uri_contributor.dart';
 import 'package:analyzer/file_system/memory_file_system.dart';
@@ skipping 155 matching lines @@
     expect(replacementOffset, completionOffset - 4);
     expect(replacementLength, 4);
     assertNotSuggested('completion.dart');
     assertNotSuggested('other.dart');
     assertNotSuggested('foo');
     assertNotSuggested('foo/');
     assertSuggest('foo/bar.dart', csKind: CompletionSuggestionKind.IMPORT);
     assertNotSuggested('../blat.dart');
   }
 
+  test_import_file_outside_lib() async {
+    testFile = '/proj/lib/completion.dart';
+    addSource('/proj/lib/other.dart', 'library other;');
+    addSource('/proj/lib/foo/bar.dart', 'library bar;');
+    addSource('/proj/blat.dart', 'library blat;');
+    addSource('/proj/bin/boo.dart', 'library boo;');
+    addTestSource('import "../^" import');
+    await computeSuggestions();
+    expect(replacementOffset, completionOffset - 3);
+    expect(replacementLength, 3);
+    assertNotSuggested('completion.dart');
+    assertNotSuggested('other.dart');
+    assertNotSuggested('foo');
+    assertNotSuggested('foo/');
+    assertNotSuggested('foo/bar.dart');
+    assertNotSuggested('../bin');
+    assertNotSuggested('../bin/');
+    assertNotSuggested('../blat.dart');
+  }
+
   test_import_file_parent() async {
     testFile = '/proj/completion.dart';
     addSource('/proj/other.dart', 'library other;');
     addSource('/proj/foo/bar.dart', 'library bar;');
     addSource('/blat.dart', 'library blat;');
+    addSource('/proj2/boo.dart', 'library boo;');
     addTestSource('import "../^" import');
     await computeSuggestions();
     expect(replacementOffset, completionOffset - 3);
     expect(replacementLength, 3);
     assertNotSuggested('completion.dart');
     assertNotSuggested('other.dart');
     assertNotSuggested('foo');
     assertNotSuggested('foo/');
     assertNotSuggested('foo/bar.dart');
     assertSuggest('../blat.dart', csKind: CompletionSuggestionKind.IMPORT);
+    assertSuggest('../proj2/', csKind: CompletionSuggestionKind.IMPORT);
   }
 
   test_import_file_parent2() async {
     testFile = '/proj/completion.dart';
     addSource('/proj/other.dart', 'library other;');
     addSource('/proj/foo/bar.dart', 'library bar;');
     addSource('/blat.dart', 'library blat;');
     addTestSource('import "../b^" import');
     await computeSuggestions();
     expect(replacementOffset, completionOffset - 4);
@@ skipping 329 matching lines @@
     assertNotSuggested('foo/');
     assertNotSuggested('foo/bar.dart');
     assertSuggest('../blat.dart', csKind: CompletionSuggestionKind.IMPORT);
   }
 }
 
 class _TestWinResourceProvider extends MemoryResourceProvider {
   @override
   Context get pathContext => windows;
 }