Move kernel baseline tests to front_end.

pkg/front_end/test/fasta/rasta/class_hierarchy.dart

Index: pkg/front_end/test/fasta/rasta/class_hierarchy.dart
diff --git a/pkg/front_end/test/fasta/rasta/class_hierarchy.dart b/pkg/front_end/test/fasta/rasta/class_hierarchy.dart
deleted file mode 100644
index 81a22f0220a547b1d43f712bb8704d0a13d84660..0000000000000000000000000000000000000000
--- a/pkg/front_end/test/fasta/rasta/class_hierarchy.dart
+++ /dev/null
@@ -1,18 +0,0 @@
-// 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.
-
-class A extends Missing {}
-class B implements Missing {}
-class C = Object with Missing;
-
-class D {
-  factory D() = Missing;
-}
-
-void main() {
-  new A();
-  new B();
-  new C();
-  new D();
-}