Copy fasta analyze_test to dart2js.

pkg/front_end/test/fasta/analyze_test.dart

Index: pkg/front_end/test/fasta/analyze_test.dart
diff --git a/pkg/front_end/test/fasta/analyze_test.dart b/pkg/front_end/test/fasta/analyze_test.dart
index 1088a2afc9ef28043c7b104e6b54546b87207f44..492bbdaf1c8a2f8786147f695027662f83fa04df 100644
--- a/pkg/front_end/test/fasta/analyze_test.dart
+++ b/pkg/front_end/test/fasta/analyze_test.dart
@@ -7,6 +7,8 @@ import "package:testing/src/run_tests.dart" as testing show main;
 main() {
   // This method is async, but keeps a port open to prevent the VM from exiting
   // prematurely.
+  // Note: if you change this file, also change
+  // tests/compiler/dart2js/fasta_analyze_test.dart.
   return testing.main(<String>[
     "--config=pkg/front_end/test/fasta/testing.json",
     "--verbose",