autotest: use installed version of cros_workon

run_remote_tests.sh

 #!/bin/bash
 
 # Copyright (c) 2009 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.
 
 # Script to run client or server tests on a live remote image.
 
 # Load common constants.  This should be the first executable line.
 # The path to common.sh should be relative to your script's location.
@@ skipping 130 matching lines @@
       die \
 "Could not find pre-installed autotest, you need to emerge-${FLAGS_board} \
 autotest autotest-tests (or use --build)."
     fi
     info \
 "As requested, using emerged autotests already installed at ${AUTOTEST_DIR}."
     return
   fi
 
   if [ ${FLAGS_build} -eq ${FLAGS_FALSE} ] &&
-      "${SCRIPTS_DIR}/cros_workon" --board=${FLAGS_board} list |
+      cros_workon --board=${FLAGS_board} list |
       grep -q autotest; then
     AUTOTEST_DIR="${SRC_ROOT}/third_party/autotest/files"
     FLAGS_build=${FLAGS_TRUE}
     if [ ! -d "${AUTOTEST_DIR}" ]; then
       die \
 "Detected cros_workon autotest but ${AUTOTEST_DIR} does not exist. Run \
 repo sync autotest."
     fi
     info \
 "Detected cros_workon autotests. Building and running your autotests from \
@@ skipping 170 matching lines @@
 
   echo ""
   info "Test results:"
   ./generate_test_report "${TMP}" --strip="${TMP}/"
 
   print_time_elapsed
 }
 
 restart_in_chroot_if_needed "$@"
 main "$@"