Test for final top-level variables.

pkg/analyzer/lib/src/task/incremental_element_builder.dart

Index: pkg/analyzer/lib/src/task/incremental_element_builder.dart
diff --git a/pkg/analyzer/lib/src/task/incremental_element_builder.dart b/pkg/analyzer/lib/src/task/incremental_element_builder.dart
index 2e4a5366a9458b27f5af16b9a5ad480716a1ae8e..bc562a73e6ce82fc813e4d09a504d3f920ced6ed 100644
--- a/pkg/analyzer/lib/src/task/incremental_element_builder.dart
+++ b/pkg/analyzer/lib/src/task/incremental_element_builder.dart
@@ -214,7 +214,6 @@ class IncrementalCompilationUnitElementBuilder {
         for (VariableDeclaration variable in variableList.variables) {
           TopLevelVariableElement element = variable.element;
           elements.add(element);
-          // TODO(scheglov) write tests for nulls
           if (element.getter != null) {
             elements.add(element.getter);
           }