Fix annotation of promoted parameters in Fasta inference tests.

pkg/front_end/testcases/inference/future_then_conditional_6.dart

Index: pkg/front_end/testcases/inference/future_then_conditional_6.dart
diff --git a/pkg/front_end/testcases/inference/future_then_conditional_6.dart b/pkg/front_end/testcases/inference/future_then_conditional_6.dart
index cfc034af2cee0ec769ad75bdf52f707aec5541d4..1357ecf2f8f2a44e9982d30cfa63a0b48d3d5751 100644
--- a/pkg/front_end/testcases/inference/future_then_conditional_6.dart
+++ b/pkg/front_end/testcases/inference/future_then_conditional_6.dart
@@ -18,17 +18,21 @@ void main() {
   Future<bool> f;
   Future<int> t1 = /*@promotedType=none*/ f.then(
       /*@returnType=Future<int>*/ (/*@type=bool*/ x) async =>
-          x ? 2 : await new Future<int>.value(3));
+          /*@promotedType=none*/ x ? 2 : await new Future<int>.value(3));
   Future<int> t2 = /*@promotedType=none*/ f
       .then(/*@returnType=Future<int>*/ (/*@type=bool*/ x) async {
-    return /*info:DOWN_CAST_COMPOSITE*/ await x ? 2 : new Future<int>.value(3);
+    return /*info:DOWN_CAST_COMPOSITE*/ await /*@promotedType=none*/ x
+        ? 2
+        : new Future<int>.value(3);
   });
   Future<int> t5 = /*@promotedType=none*/ f.then(
       /*info:INFERRED_TYPE_CLOSURE,error:INVALID_CAST_FUNCTION_EXPR*/
       /*@returnType=Object*/ (/*@type=bool*/ x) =>
-          x ? 2 : new Future<int>.value(3));
+          /*@promotedType=none*/ x ? 2 : new Future<int>.value(3));
   Future<int> t6 = /*@promotedType=none*/ f.then(
       /*@returnType=FutureOr<int>*/ (/*@type=bool*/ x) {
-    return /*info:DOWN_CAST_COMPOSITE*/ x ? 2 : new Future<int>.value(3);
+    return /*info:DOWN_CAST_COMPOSITE*/ /*@promotedType=none*/ x
+        ? 2
+        : new Future<int>.value(3);
   });
 }