Apply transformations after comparing to golden files.

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

 library test;
 import self as self;
 import "dart:async" as asy;
 import "dart:core" as core;
 
 static method main() → dynamic {
-  () → asy::Stream<core::num> f = () → asy::Stream<core::num> /* originally async* */ {
-    dynamic :controller;
-    dynamic :async_op_then;
-    dynamic :async_op_error;
-    dynamic :await_jump_var = 0;
-    dynamic :await_ctx_var;
-    dynamic :saved_try_context_var0;
-    dynamic :saved_try_context_var1;
-    function :async_op([dynamic :result, dynamic :exception, dynamic :stack_trace]) → dynamic yielding 
-      try
-        try {
-          #L1:
-          {
-            if(:controller.add(1))
-              return null;
-            else
-              [yield] null;
-            asy::Stream<core::double> s;
-            if(:controller.addStream(s))
-              return null;
-            else
-              [yield] null;
-          }
-          return;
-        }
-        on dynamic catch(dynamic :exception, dynamic :stack_trace) {
-          :controller.addError(:exception, :stack_trace);
-        }
-      finally {
-        :controller.close();
-      }
-    :async_op_then = asy::_asyncThenWrapperHelper(:async_op);
-    :async_op_error = asy::_asyncErrorWrapperHelper(:async_op);
-    :controller = new asy::_AsyncStarStreamController::•(:async_op);
-    return :controller.stream;
+  () → asy::Stream<core::num> f = () → asy::Stream<core::num> async* {
+    yield 1;
+    asy::Stream<core::double> s;
+    yield* s;
   };
   asy::Stream<core::num> g = f.call();
   asy::Stream<core::int> h = f.call();
 }