Move testing.json and status files to more natural locations.

pkg/front_end/test/fasta/strong_test.dart

 // Copyright (c) 2017, 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.md file.
 
 library fasta.test.compile_test;
 
 import 'dart:async' show Future;
 
 import 'testing/suite.dart';
 
 Future<FastaContext> createContext(
     Chain suite, Map<String, String> environment) {
   environment[ENABLE_FULL_COMPILE] = "";
   environment[AST_KIND_INDEX] = "${AstKind.Kernel.index}";
   environment[STRONG_MODE] = "";
   return FastaContext.create(suite, environment);
 }
 
-main(List<String> arguments) => runMe(arguments, createContext, "testing.json");
+main(List<String> arguments) =>
+    runMe(arguments, createContext, "../../testing.json");