Add expectations to infer_local_function_return_type.

pkg/front_end/testcases/inference/infer_local_function_return_type.dart.strong.expect

Index: pkg/front_end/testcases/inference/infer_local_function_return_type.dart.strong.expect
diff --git a/pkg/front_end/testcases/inference/infer_local_function_return_type.dart.strong.expect b/pkg/front_end/testcases/inference/infer_local_function_return_type.dart.strong.expect
index fc0eb356e198ba9500af4a5a93eaa4c066a42156..0f610b5949b9ead50607f3e72574eb5ae2847f50 100644
--- a/pkg/front_end/testcases/inference/infer_local_function_return_type.dart.strong.expect
+++ b/pkg/front_end/testcases/inference/infer_local_function_return_type.dart.strong.expect
@@ -3,7 +3,7 @@ import self as self;
 import "dart:core" as core;
 
 const field dynamic #errors = const <dynamic>["pkg/front_end/testcases/inference/infer_local_function_return_type.dart:31:51: Error: Previous use of 'f9'.\n  f8() => /*error:REFERENCED_BEFORE_DECLARATION*/ f9();\n                                                  ^"]/* from null */;
-static method main() → dynamic {
+static method test() → dynamic {
   function f0() → dynamic
     return 42;
   function f1() → dynamic async 
@@ -28,3 +28,4 @@ static method main() → dynamic {
     return throw new core::NoSuchMethodError::_withType(null, #f9, 32, <dynamic>[].toList(growable: false), <dynamic, dynamic>{}, null);
   const core::_ConstantExpressionError::•()._throw(new core::_CompileTimeError::•("pkg/front_end/testcases/inference/infer_local_function_return_type.dart:32:3: Error: Can't declare 'f9' because it was already used in this scope.\n  f9() => f5();\n  ^"));
 }
+static method main() → dynamic {}