Update the etsi test cases in the examples directory

examples/etsi_coaptest.sh
examples/etsi_testcases.sh

Minor corrections to the scripts to get them working

examples/etsi_coaptest.sh

@@ -36,7 +36,7 @@ testgroups=( CORE LINK BLOCK OBS )
 testnumber=-1
 group=''
 
-source etsi_testcases.sh
+source `dirname $0`/etsi_testcases.sh
 
 function usage {
 echo "Usage:  `basename $0` [-n testnumber] [-g groupname] [-t timeout] [-P server_port] [-p client port] [-d logdir] [-v] -i interface server_address" 1>&2

examples/etsi_testcases.sh

@@ -481,8 +481,8 @@ function TD_COAP_LINK_01 {
   if [[ ! $(echo $clientoutput | grep rt) ]] ; then
     echo "no resource with attribute rt found on server"
   else
-    rt="${clientoutput##*rt=\"}"
-    rt="${rt%%\";*}"
+    rt="${clientoutput##*rt=}"
+    rt="${rt%%;*}"
   fi
   echo -e "\nOutput of client:"
   echo -e $clientoutput
@@ -762,4 +762,4 @@ function TD_COAP_OBS_05 {
 #"-v 5 -B $clienttimeout -p $CLIENTPORT -s 0 -N"
   testaddress=coap://[::1]/obs
   start_coap_test $1
-}
+}