Fix test_sky in release builds

sky/tools/skypy/configuration.py

Index: sky/tools/skypy/configuration.py
diff --git a/sky/tools/skypy/configuration.py b/sky/tools/skypy/configuration.py
new file mode 100644
index 0000000000000000000000000000000000000000..a361d360e88432bdd58b1d1a5b59e42f5e6bdf8e
--- /dev/null
+++ b/sky/tools/skypy/configuration.py
@@ -0,0 +1,15 @@
+# Copyright 2014 The Chromium Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+import optparse
+
+
+def add_arguments(parser):
+    parser.add_argument("-t", "--target", dest="configuration",
+        help="Specify the target configuration to use (Debug/Release)", default='Release')
+    parser.add_argument('--debug', action='store_const', const='Debug', dest="configuration",
+        help='Set the configuration to Debug')
+    parser.add_argument('--release', action='store_const', const='Release', dest="configuration",
+        help='Set the configuration to Release')
+