Add some basic tests for metrics_daemon.

src/scripts/build_tests.sh

 #!/bin/bash
 
-# Copyright (c) 2009 The Chromium OS Authors. All rights reserved.
+# Copyright (c) 2010 The Chromium OS Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 # Load common constants.  This should be the first executable line.
 # The path to common.sh should be relative to your script's location.
 . "$(dirname "$0")/common.sh"
 
 assert_not_root_user
 restart_in_chroot_if_needed $*
 get_default_board
 
 # Flags
 DEFINE_string build_root "$DEFAULT_BUILD_ROOT"                \
   "Root of build output"
 DEFINE_string board "$DEFAULT_BOARD" \
   "Target board for which tests are to be built"
 
 # Parse command line
 FLAGS "$@" || exit 1
 eval set -- "${FLAGS_ARGV}"
 
 if [ -z "$FLAGS_board" ]; then
   echo Error: --board required
   exit 1
 fi
 
 # Die on error; print commands
 set -e
 
-TEST_DIRS="crash pam_google window_manager cryptohome"
+TEST_DIRS="
+  crash
+  cryptohome
+  metrics
+  pam_google
+  window_manager
+  "
 
 sudo TEST_DIRS="${TEST_DIRS}" \
   emerge-${FLAGS_board} chromeos-base/chromeos-unittests