No more warnings for duplicate unnamed lib imports.

pkg/analyzer/test/generated/static_warning_code_test.dart

Index: pkg/analyzer/test/generated/static_warning_code_test.dart
diff --git a/pkg/analyzer/test/generated/static_warning_code_test.dart b/pkg/analyzer/test/generated/static_warning_code_test.dart
index a5b0555a77ec42eb42ee3778c8a7a59f2110fd4f..dfa76335c4cd7412dc46e16fd6103c164b8d4cf7 100644
--- a/pkg/analyzer/test/generated/static_warning_code_test.dart
+++ b/pkg/analyzer/test/generated/static_warning_code_test.dart
@@ -1272,7 +1272,9 @@ export 'lib2.dart';''');
     addNamedSource("/lib1.dart", "");
     addNamedSource("/lib2.dart", "");
     computeLibrarySourceErrors(source);
-    assertErrors(source, [StaticWarningCode.EXPORT_DUPLICATED_LIBRARY_UNNAMED]);
+    assertErrors(source, [

[Paul Berry, 2015/08/20 20:57:37]

Use assertNoErrors() and move this test into the NonErrorReolverTest class.

[pquitslund, 2015/08/20 21:23:43]

Good call.  Done!

+      // No warning (https://github.com/dart-lang/sdk/issues/24156)
+    ]);
     verify([source]);
   }
 
@@ -1497,7 +1499,7 @@ import 'lib2.dart';''');
     addNamedSource("/lib2.dart", "");
     computeLibrarySourceErrors(source);
     assertErrors(source, [
-      StaticWarningCode.IMPORT_DUPLICATED_LIBRARY_UNNAMED,
+      // No warning (https://github.com/dart-lang/sdk/issues/24156)

[Paul Berry, 2015/08/20 20:57:37]

I think this test should be moved into NonErrorResolverTest as well.

[pquitslund, 2015/08/20 21:23:43]

Works for me.  Done.

       HintCode.UNUSED_IMPORT,
       HintCode.UNUSED_IMPORT
     ]);