cpsir unittests: move all unittests into individual files and test runners.

tests/compiler/dart2js/analyze_test_test.dart

 // Copyright (c) 2016, 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 dart2js.analyze_test.test;
 
 import 'dart:io';
 
 import 'package:async_helper/async_helper.dart';
 import 'package:compiler/src/apiimpl.dart' show
@@ skipping 31 matching lines @@
 };
 
 const List<String> SKIP_LIST = const <String>[
   // Helper files:
   "dart2js_batch2_run.dart",
   "http_launch_data/",
   "mirrors_helper.dart",
   "path%20with%20spaces/",
   "one_line_dart_program.dart",
   "sourcemaps/invokes_test_file.dart",
+  "cps_ir/input/",
   // No longer maintained:
   "backend_dart/",
   // Broken tests:
   "http_test.dart",
 ];
 
 main(List<String> arguments) {
   bool verbose = arguments.contains('-v');
 
   List<String> options = <String>[
@@ skipping 11 matching lines @@
       if (entity is File && entity.path.endsWith('.dart')) {
         Uri file = Uri.base.resolve(nativeToUriPath(entity.path));
         if (!SKIP_LIST.any((skip) => file.path.contains(skip))) {
           uriList.add(file);
         }
       }
     }
     await analyze(uriList, WHITE_LIST, mode: AnalysisMode.URI);
   });
 }