Migrated test block 168 to Dart 2.0.

tests/lib_2/lib_2_dartdevc.status

Index: tests/lib_2/lib_2_dartdevc.status
diff --git a/tests/lib_2/lib_2_dartdevc.status b/tests/lib_2/lib_2_dartdevc.status
new file mode 100644
index 0000000000000000000000000000000000000000..b3410193f13a2496f1f4fc773c20ae3f3a9c63ea
--- /dev/null
+++ b/tests/lib_2/lib_2_dartdevc.status
@@ -0,0 +1,15 @@
+# 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.
+
+[ $compiler == dartdevc ]
+async/future_timeout_test: CompileTimeError
+
+[ $compiler == dartdevc && $runtime != none ]
+async/future_or_bad_type_test/none: RuntimeError # Issue 29922
+async/future_or_bad_type_test/implements: RuntimeError # Issue 29922
+async/future_or_non_strong_test: RuntimeError # Issue 29922
+async/future_or_strong_test: RuntimeError # Issue 29922
+async/future_test: RuntimeError # Issue 29922
+async/futures_test: RuntimeError # Issue 29922
+async/first_regression_test: CompileTimeError