improve import URI completions at EOF

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 1331 matching lines @@
         '''
 import 'dart:math
 import 'dart:_chrome
 import 'dart:_collection.dev
 export 'dart:!1''',
         <String>[
           "1+dart:core",
           "1+dart:math",
           "1-dart:_chrome",
           "1-dart:_collection.dev"
-        ],
-        failingTests: '1');
+        ]);
 
     buildTests(
         'testCompletion_export_noStringLiteral_noSemicolon',
         '''
 import !1
 
 class A {}''',
         <String>["1+'dart:!';", "1+'package:!';"],
         failingTests: '1');
 
@@ skipping 126 matching lines @@
         '''
 import 'dart:math
 import 'dart:_chrome
 import 'dart:_collection.dev
 import 'dart:!1''',
         <String>[
           "1+dart:core",
           "1+dart:math",
           "1-dart:_chrome",
           "1-dart:_collection.dev"
-        ],
-        failingTests: '1');
+        ]);
 
     buildTests(
         'testCompletion_import_hasStringLiteral_noSemicolon',
         '''
 import '!1'
 
 class A {}''',
         <String>["1+dart:!", "1+package:!"]);
 
     buildTests(
@@ skipping 1479 matching lines @@
       } else {
         ++expectedPassCount;
         tester(testName, () {
           CompletionTestCase test = new CompletionTestCase();
           return test.runTest(spec, extraFiles);
         });
       }
     }
   }
 }