Add skipped test due to dart-lang/build#2596

test/init_library_reader_test.dart

@@ -3,14 +3,6 @@ import 'dart:io';
 import 'package:source_gen_test/src/init_library_reader.dart';
 import 'package:test/test.dart';
 
-Object _skipDart200() {
-  final travisDartVersion = Platform.environment['TRAVIS_DART_VERSION'];
-  if (travisDartVersion == '2.0.0') {
-    return 'Skipping on Dart 2.0.0';
-  }
-  return null;
-}
-
 // TODO: test initializeLibraryReader - but since
 //  `initializeLibraryReaderForDirectory` wraps it, not a big hurry
 void main() {
@@ -59,6 +51,6 @@ void main() {
                 'Does not seem to reference a Dart library.')
             .having((ae) => ae.name, 'name', 'targetLibraryFileName')),
       );
-    }, skip: _skipDart200());
+    }, skip: 'See dart-lang/build#2596');
   });
 }