"Set up directories.." commit below broke the buildbot tests, two others are collateral damage.

tests/lib_2/math/call_cmath_box_failure_path_test.dart

Index: tests/lib_2/math/call_cmath_box_failure_path_test.dart
diff --git a/tests/lib_2/math/call_cmath_box_failure_path_test.dart b/tests/lib_2/math/call_cmath_box_failure_path_test.dart
deleted file mode 100644
index bf634437379c5f1bd4853d4913ded7474048e00c..0000000000000000000000000000000000000000
--- a/tests/lib_2/math/call_cmath_box_failure_path_test.dart
+++ /dev/null
@@ -1,26 +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.
-
-// VMOptions=--optimization-counter-threshold=-1 --new_gen_semi_max_size=2
-
-// TODO(rnystrom): This looks like a VM-specific test. Move out of
-// tests/language and into somewhere more appropriate.
-
-import 'dart:math';
-
-main() {
-  // 2MB / 16 bytes = 125000 allocations
-
-  for (var i = 0; i < 500000; i++) {
-    sin(i);
-  }
-
-  for (var i = 0; i < 500000; i++) {
-    cos(i);
-  }
-
-  for (var i = 0; i < 500000; i++) {
-    i.toDouble().truncateToDouble();
-  }
-}