Resynthesize methods from Kernel.

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

 // Copyright (c) 2015, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 library test.src.serialization.elements_test;
 
 import 'dart:async';
 
 import 'package:analyzer/dart/ast/ast.dart';
 import 'package:analyzer/dart/ast/standard_resolution_map.dart';
@@ skipping 10275 matching lines @@
   void f(dynamic value) {}
 }
 abstract class D {
   void f(int value);
 }
 ''');
     }
   }
 
   test_method_inferred_type_nonStatic_implicit_return() async {
-    var library = await checkLibrary(
-        'class C extends D { f() => null; } abstract class D { int f(); }');
-    if (isStrongMode) {
-      checkElementText(library, r'''
+    var library = await checkLibrary('''
+class C extends D {
+  f() => null;
+}
+abstract class D {
+  int f();
+}
+''');
+    checkElementText(library, r'''
 class C extends D {
   int f() {}
 }
 abstract class D {
   int f();
 }
 ''');
-    } else {
-      checkElementText(library, r'''
-class C extends D {
-  dynamic f() {}
-}
-abstract class D {
-  int f();
-}
-''');
-    }
   }
 
   test_method_type_parameter() async {
     prepareAnalysisContext(createOptions());
     var library = await checkLibrary('class C { T f<T, U>(U u) => null; }');
     if (isStrongMode) {
       checkElementText(library, r'''
 class C {
   T f<T, U>(U u) {}
 }
@@ skipping 2809 matching lines @@
       fail('Unexpectedly tried to get unlinked summary for $uri');
     }
     return serializedUnit;
   }
 
   @override
   bool hasLibrarySummary(String uri) {
     return true;
   }
 }