Add missed files from previous CL

pkg/analyzer/test/error/test_all.dart

Index: pkg/analyzer/test/error/test_all.dart
diff --git a/pkg/analyzer/test/error/test_all.dart b/pkg/analyzer/test/error/test_all.dart
new file mode 100644
index 0000000000000000000000000000000000000000..bf82c241057a1caba57306bc9d353dfe2472bde3
--- /dev/null
+++ b/pkg/analyzer/test/error/test_all.dart
@@ -0,0 +1,13 @@
+// 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 file.
+
+import 'package:test_reflective_loader/test_reflective_loader.dart';
+
+import 'error_test.dart' as error_test;
+
+main() {
+  defineReflectiveSuite(() {
+    error_test.main();
+  }, name: 'error');
+}