Move kernel baseline tests to front_end.

pkg/front_end/test/fasta/rasta/issue_000025.dart

Index: pkg/front_end/test/fasta/rasta/issue_000025.dart
diff --git a/pkg/front_end/test/fasta/rasta/issue_000025.dart b/pkg/front_end/test/fasta/rasta/issue_000025.dart
deleted file mode 100644
index 543f783f50b73e34ef0bcbc9914aa06b21fe9025..0000000000000000000000000000000000000000
--- a/pkg/front_end/test/fasta/rasta/issue_000025.dart
+++ /dev/null
@@ -1,11 +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.md file.
-
-get x => 42;
-set x(val) { }
-
-main() {
-  print(x);
-  print(x = 87);
-}