Delete old tests that aren't used and/or useful any more.

tests/utils/dummy_compiler_test.dart

-// Copyright (c) 2012, 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.
-
-// Smoke test of the dart2js compiler API.
-library dummy_compiler;
-
-import 'dart:async';
-import "package:async_helper/async_helper.dart";
-
-import 'package:compiler/compiler.dart';
-
-import '../compiler/dart2js/mock_libraries.dart';
-
-String libProvider(Uri uri) {
-  if (uri.path.endsWith(".platform")) {
-    return DEFAULT_PLATFORM_CONFIG;
-  }
-  if (uri.path.endsWith("/core.dart")) {
-    return buildLibrarySource(DEFAULT_CORE_LIBRARY);
-  } else if (uri.path.endsWith('core_patch.dart')) {
-    return DEFAULT_PATCH_CORE_SOURCE;
-  } else if (uri.path.endsWith('internal.dart')) {
-    return buildLibrarySource(DEFAULT_INTERNAL_LIBRARY);
-  } else if (uri.path.endsWith('interceptors.dart')) {
-    return buildLibrarySource(DEFAULT_INTERCEPTORS_LIBRARY);
-  } else if (uri.path.endsWith('js_helper.dart')) {
-    return buildLibrarySource(DEFAULT_JS_HELPER_LIBRARY);
-  } else if (uri.path.endsWith('isolate_helper.dart')) {
-    return buildLibrarySource(DEFAULT_ISOLATE_HELPER_LIBRARY);
-  } else if (uri.path.endsWith('/async.dart')) {
-    return buildLibrarySource(DEFAULT_ASYNC_LIBRARY);
-  } else {
-    return "library lib${uri.path.replaceAll('/', '.')};";
-  }
-}
-
-Future<String> provider(Uri uri) {
-  String source;
-  if (uri.scheme == "main") {
-    source = "main() {}";
-  } else if (uri.scheme == "lib") {
-    source = libProvider(uri);
-  } else {
-    throw "unexpected URI $uri";
-  }
-  return new Future.value(source);
-}
-
-void handler(Uri uri, int begin, int end, String message, Diagnostic kind) {
-  if (uri == null) {
-    print('$kind: $message');
-  } else {
-    print('$uri:$begin:$end: $kind: $message');
-  }
-}
-
-main() {
-  asyncStart();
-  Future<CompilationResult> result = compile(
-      new Uri(scheme: 'main'),
-      new Uri(scheme: 'lib', path: '/'),
-      new Uri(scheme: 'package', path: '/'),
-      provider,
-      handler);
-  result.then((CompilationResult result) {
-    if (!result.isSuccess) {
-      throw 'Compilation failed';
-    }
-  }, onError: (e, s) {
-    throw 'Compilation failed: $e\n$s';
-  }).then(asyncSuccess);
-}