Suppress lints on synthetic nodes/tokens (#193).

test/rule_test.dart

Index: test/rule_test.dart
diff --git a/test/rule_test.dart b/test/rule_test.dart
index aeace1606548607d944a270e4b8c84a2da5594cf..5ccc256273d3a6d0080eeb438d32453956e787c5 100644
--- a/test/rule_test.dart
+++ b/test/rule_test.dart
@@ -188,15 +188,7 @@ defineRuleUnitTests() {
       ];
       testEach(good, isLowerCaseUnderScoreWithDots, isTrue);
 
-      var bad = [
-        'Foo',
-        'fooBar.',
-        '.foo_Bar',
-        '_f',
-        'F_B',
-        'JS',
-        'JSON'
-      ];
+      var bad = ['Foo', 'fooBar.', '.foo_Bar', '_f', 'F_B', 'JS', 'JSON'];
       testEach(bad, isLowerCaseUnderScoreWithDots, isFalse);
     });
     group('lowerCamelCase', () {
@@ -286,6 +278,15 @@ defineSanityTests() {
           throwsA(new isInstanceOf<TestFailure>()));
     });
   });
+
+  group('reporting', () {
+    //https://github.com/dart-lang/linter/issues/193
+    group('ignore synthetic nodes', () {
+      String path = p.join('test', '_data', 'synthetic', 'synthetic.dart');
+      File file = new File(path);
+      testRule('non_constant_identifier_names', file);
+    });
+  });
 }
 
 /// Handy for debugging.