TT#42858 add support for checking retransmissions

Add 'retrans: true' to the test.yml file and name
it '_test_retransmission.yml.tt2' instead of '_test.yml.tt2'

Change-Id: I2e83f773ed8a1ba537aedb61410db79fecbecf16

README

@@ -148,6 +148,10 @@ The test file is divided in tree different parts:
 
  [0] https://docs.python.org/3/library/re.html#regular-expression-syntax
 
+ - retrans:
+  boolean value indicating if this test is meant for a retransmission.
+  It's optional, default is false
+
 
 Cdr test file syntax (cdr_test.yml.tt2):
 ----------------------------------------

bin/check.sh

@@ -588,6 +588,14 @@ test_filepath() {
   if ! "${JSON_KAM}" ; then
     msg_name=${1/_test.yml/.yml}
   else
+    if grep -q '^retrans: true' "${1}"; then
+      echo "$(date) - Detected a test for a retransmission"
+      msg_name=${1/_test_retransmission.yml/.json_retransmission}
+      msg="${LOG_DIR}/$(basename "${msg_name}")"
+      if [ -f "${msg}" ]; then
+        return
+      fi
+    fi
     msg_name=${1/_test.yml/.json}
   fi
   msg="${LOG_DIR}/$(basename "${msg_name}")"
@@ -874,7 +882,7 @@ if ! "${SKIP_TESTS}" ; then
   "${BIN_DIR}/generate_tests.sh" -d \
     "${SCEN_CHECK_DIR}" "${LOG_DIR}/scenario_ids.yml" "${PROFILE}"
 
-  for t in ${SCEN_CHECK_DIR}/[0-9][0-9][0-9][0-9]_test.yml; do
+  for t in ${SCEN_CHECK_DIR}/[0-9][0-9][0-9][0-9]_test*.yml; do
     test_filepath "${t}"
     echo "$(date) - Check test ${t} on ${msg}"
     dest=${RESULT_DIR}/$(basename "${t}" .yml)