fix analysis messages

test/checker/inferred_type_test.dart

 // Copyright (c) 2015, 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.
 
 /// Tests for type inference.
 library ddc.test.inferred_type_test;
 
 import 'package:unittest/compact_vm_config.dart';
 import 'package:unittest/unittest.dart';
 
@@ skipping 361 matching lines @@
           }
       ''',
       '/e.dart': '''
           part "e2.dart";
 
           class E {
             static final e1 = 1;
             final e2 = 1;
           }
       ''',
-      '/e2.dart': '',

[Jennifer Messerly, 2015/02/27 16:53:32]

duplicate map keys (it's defined below)

       '/f.dart': '''
           part "f2.dart";
       ''',
       '/e2.dart': '''
           class F {
             static final f1 = 1;
             final f2 = 1;
           }
       ''',
       '/main.dart': '''
@@ skipping 533 matching lines @@
           I3 get a => null;
         }
 
         class C2 extends A implements B {
           /*severe:InvalidMethodOverride*/get a => null;
         }
     '''
     }, inferFromOverrides: true);
   });
 }