Add multitest markers to reify test

pkg/kernel/testcases/reify/native_types_test.dart

Index: pkg/kernel/testcases/reify/native_types_test.dart
diff --git a/pkg/kernel/testcases/reify/native_types_test.dart b/pkg/kernel/testcases/reify/native_types_test.dart
index a3514534ec7513f264fa177644d050793eaab5a7..08de3598e3457961e4517c35c033f8c08190c651 100644
--- a/pkg/kernel/testcases/reify/native_types_test.dart
+++ b/pkg/kernel/testcases/reify/native_types_test.dart
@@ -30,9 +30,9 @@ main() {
   expectTrue(true is! int);
 
   // Test error and exception classes
-  expectThrows(() => new C(), (e) => e is AbstractClassInstantiationError);
+  expectThrows(() => new C(), (e) => e is AbstractClassInstantiationError);  /// 01: static type warning
 
-  expectThrows(() => new D().foo(), (e) => e is NoSuchMethodError);
+  expectThrows(() => new D().foo(), (e) => e is NoSuchMethodError);  /// 02: static type warning
 
   expectThrows(() => foo, (e) => e is CyclicInitializationError);