Symlink test_env.py instead of test_support in preparation of jinja2.

appengine/components/components/test_env.py

Index: appengine/components/components/test_env.py
diff --git a/appengine/components/components/test_env.py b/appengine/components/components/test_env.py
new file mode 100644
index 0000000000000000000000000000000000000000..1f3c776a7d11fd77c45377ef20cd8f67a7ca9541
--- /dev/null
+++ b/appengine/components/components/test_env.py
@@ -0,0 +1,18 @@
+# Copyright 2015 The Swarming Authors. All rights reserved.
+# Use of this source code is governed by the Apache v2.0 license that can be
+# found in the LICENSE file.
+
+import os
+import sys
+
+COMPONENTS_DIR = os.path.dirname(os.path.realpath(os.path.abspath(__file__)))
+
+
+def setup_test_env():
+  """Sets up App Engine test environment."""
+  sys.path.insert(0, os.path.join(COMPONENTS_DIR, 'third_party'))
+  if COMPONENTS_DIR not in sys.path:
+    sys.path.insert(0, COMPONENTS_DIR)
+
+  from test_support import test_env
+  test_env.setup_test_env()