Add local dir's to path. SSH and SU respect paths in etc environment

src/scripts/mod_for_test_scripts/350addTestAuthKeys

Index: src/scripts/mod_for_test_scripts/350addTestAuthKeys
diff --git a/src/scripts/mod_for_test_scripts/350addTestAuthKeys b/src/scripts/mod_for_test_scripts/350addTestAuthKeys
index cc3967db22642005aaec2f838125c2aceb0d9464..07da2e26cb8c07fb4b5a81ada9afcf39052fffe7 100755
--- a/src/scripts/mod_for_test_scripts/350addTestAuthKeys
+++ b/src/scripts/mod_for_test_scripts/350addTestAuthKeys
@@ -7,10 +7,14 @@
 # Copy public keys to root's homedir for ssh pubkey auth, which
 # is necessary for test automation.
 
-echo "Copying public keys"
+echo "Copying public keys and changing PATH for ssh clients"
 
 KEYS_DIR=${GCLIENT_ROOT}/src/scripts/mod_for_test_scripts/ssh_keys
 mkdir -p ${ROOT_FS_DIR}/root/.ssh
 ROOT_AUTHKEYS=${ROOT_FS_DIR}/root/.ssh/authorized_keys
 cat ${KEYS_DIR}/*.pub >> ${ROOT_AUTHKEYS}
 
+# Environment on test machines for su and ssh now set to include
+touch ${ROOT_FS_DIR}/etc/environment
+echo "PATH=/usr/local/bin:/usr/local/sbin:/usr/bin:/usr/sbin:/bin:/sbin" \
+  >> "${ROOT_FS_DIR}/etc/environment"