Revert "Use native async/await support in pub."

sdk/lib/_internal/pub_generated/test/serve/web_socket/path_to_urls_errors_test.dart

 // Copyright (c) 2014, the Dart project authors.  Please see the AUTHORS d.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 pub_tests;
 
 import 'package:json_rpc_2/error_code.dart' as rpc_error_code;
 import 'package:path/path.dart' as p;
 
 import '../../descriptor.dart' as d;
 import '../../test_pub.dart';
 import '../utils.dart';
 
 main() {
   // TODO(rnystrom): Split into independent tests.
   initConfig();
   integration("pathToUrls errors on bad inputs", () {
-    d.dir("foo", [
-      d.libPubspec("foo", "1.0.0"),
-      d.dir("web", [
-        d.file("foo.txt", "foo")
-      ])
-    ]).create();
+    d.dir(
+        "foo",
+        [
+            d.libPubspec("foo", "1.0.0"),
+            d.dir("web", [d.file("foo.txt", "foo")])]).create();
 
-    d.dir(appPath, [
-      d.appPubspec({"foo": {"path": "../foo"}}),
-      d.file("top-level.txt", "top-level"),
-      d.dir("bin", [
-        d.file("foo.txt", "foo"),
-      ]),
-      d.dir("lib", [
-        d.file("myapp.dart", "myapp"),
-      ])
-    ]).create();
+    d.dir(appPath, [d.appPubspec({
+        "foo": {
+          "path": "../foo"
+        }
+      }),
+          d.file("top-level.txt", "top-level"),
+          d.dir("bin", [d.file("foo.txt", "foo"),]),
+          d.dir("lib", [d.file("myapp.dart", "myapp"),])]).create();
 
     pubServe(shouldGetFirst: true);
 
     // Bad arguments.
-    expectWebSocketError("pathToUrls", {"path": 123},
+    expectWebSocketError("pathToUrls", {
+      "path": 123
+    },
         rpc_error_code.INVALID_PARAMS,
-        'Parameter "path" for method "pathToUrls" must be a string, but was '
-            '123.');
+        'Parameter "path" for method "pathToUrls" must be a string, but was ' '123.');
 
-    expectWebSocketError("pathToUrls", {"path": "main.dart", "line": 12.34},
+    expectWebSocketError("pathToUrls", {
+      "path": "main.dart",
+      "line": 12.34
+    },
         rpc_error_code.INVALID_PARAMS,
         'Parameter "line" for method "pathToUrls" must be an integer, but was '
             '12.34.');
 
     // Unserved directories.
     expectNotServed(p.join('bin', 'foo.txt'));
     expectNotServed(p.join('nope', 'foo.txt'));
     expectNotServed(p.join("..", "bar", "lib", "bar.txt"));
     expectNotServed(p.join("..", "foo", "web", "foo.txt"));
 
     endPubServe();
   });
 }
 
 void expectNotServed(String path) {
-  expectWebSocketError("pathToUrls", {"path": path}, NOT_SERVED,
-      'Asset path "$path" is not currently being served.');
+  expectWebSocketError("pathToUrls", {
+    "path": path
+  }, NOT_SERVED, 'Asset path "$path" is not currently being served.');
 }