run_lte: fix check for apps being shutdown correctly

since the new logging system doesn't tag the log file after closing
we now use the stdout to verify the UE has been shut down correctly.

test/run_lte.sh

@@ -96,9 +96,9 @@ check_ping()
 
 check_ue()
 {
-  # check that all log files have "Closing log" as last line
-  last_line=$(cat ./${nof_prb}prb_ue.log | tail -n1)
-  if [ "$last_line" != "Closing log" ]; then
+  # check that app exited correctly
+  last_line=$(cat ./${nof_prb}prb_screenlog_srsue.log | tail -n1)
+  if [[ "$last_line" != *"---  exiting  ---"* ]]; then
     echo "Error. srsUE didn't seem to have exited properly."
     exit 1
   fi
@@ -162,9 +162,9 @@ check_ue()
 
 check_enb()
 {
-  # check that all log files have "Closing log" as last line
-  last_line=$(cat ./${nof_prb}prb_enb.log | tail -n1)
-  if [ "$last_line" != "Closing log" ]; then
+  # check that app exited correctly
+  last_line=$(cat ./${nof_prb}prb_screenlog_srsenb.log | tail -n1)
+  if [[ "$last_line" != *"---  exiting  ---"* ]]; then
     echo "Error. srsENB didn't seem to have exited properly."
     exit 1
   fi
@@ -214,9 +214,9 @@ check_enb()
 
 check_epc()
 {
-  # check that log has "Closing log" as last line
-  last_line=$(cat ./${nof_prb}prb_epc.log | tail -n1)
-  if [ "$last_line" != "Closing log" ]; then
+  # check that app exited correctly
+  last_line=$(cat ./${nof_prb}prb_screenlog_srsepc.log | tail -n1)
+  if [[ "$last_line" != *"---  exiting  ---"* ]]; then
     echo "Error. srsEPC didn't seem to have exited properly."
     exit 1
   fi