Add the new @notForDart2 annotation and mark several tests.

pkg/analyzer/test/src/summary/resynthesize_kernel_test.dart

Index: pkg/analyzer/test/src/summary/resynthesize_kernel_test.dart
diff --git a/pkg/analyzer/test/src/summary/resynthesize_kernel_test.dart b/pkg/analyzer/test/src/summary/resynthesize_kernel_test.dart
index e367175c3332027221482102f9144b6b4046deda..8b3f8cc4d32354282af380a2096142f61acb70fc 100644
--- a/pkg/analyzer/test/src/summary/resynthesize_kernel_test.dart
+++ b/pkg/analyzer/test/src/summary/resynthesize_kernel_test.dart
@@ -39,6 +39,11 @@ main() {
 /// Tests marked with this annotation fail because of a Fasta problem.
 const fastaProblem = const Object();
 
+/// Tests marked with this annotation fail because they test features that
+/// were implemented in Analyzer, but are intentionally not included into
+/// the Dart 2.0 plan, so will not be implemented by Fasta.
+const notForDart2 = const Object();
+
 @reflectiveTest
 class ResynthesizeKernelStrongTest extends ResynthesizeTest {
   static const DEBUG = false;
@@ -311,26 +316,31 @@ class ResynthesizeKernelStrongTest extends ResynthesizeTest {
   }
 
   @failingTest
+  @notForDart2

[Brian Wilkerson, 2017/08/31 20:10:10]

Are you sure? Both `parseImport` and `parseExport` use `parseConditionalUris` to
parse configurations, so there's at least parser support.

   test_export_configurations_useDefault() async {
     await super.test_export_configurations_useDefault();
   }
 
   @failingTest
+  @notForDart2
   test_export_configurations_useFirst() async {
     await super.test_export_configurations_useFirst();
   }
 
   @failingTest
+  @notForDart2
   test_export_configurations_useSecond() async {
     await super.test_export_configurations_useSecond();
   }
 
   @failingTest
+  @notForDart2
   test_exportImport_configurations_useDefault() async {
     await super.test_exportImport_configurations_useDefault();
   }
 
   @failingTest
+  @notForDart2
   test_exportImport_configurations_useFirst() async {
     await super.test_exportImport_configurations_useFirst();
   }
@@ -346,11 +356,13 @@ class ResynthesizeKernelStrongTest extends ResynthesizeTest {
   }
 
   @failingTest
+  @notForDart2
   test_import_configurations_useDefault() async {
     await super.test_import_configurations_useDefault();
   }
 
   @failingTest
+  @notForDart2
   test_import_configurations_useFirst() async {
     await super.test_import_configurations_useFirst();
   }