[Test] Added check if there was no segfault during the test run

test/functional/lib/rspamd.robot

@@ -70,9 +70,14 @@ Generic Teardown
   [Arguments]  @{ports}
   Run Keyword If  '${CONTROLLER_ERRORS}' == 'True'  Check Controller Errors
   Shutdown Process With Children  ${RSPAMD_PID}
+  Log do not contain segfault record
   Save Run Results  ${TMPDIR}  rspamd.log redis.log rspamd.conf clickhouse-server.log clickhouse-server.err.log clickhouse-config.xml
   Cleanup Temporary Directory  ${TMPDIR}
 
+Log do not contain segfault record
+  ${log} =  Get File  ${TMPDIR}/rspamd.log
+  Should not contain  ${log}  Segmentation fault:  msg=Segmentation fault detected
+
 Log Logs
   [Arguments]  ${logfile}  ${position}
   ${the_log}  ${position} =  Read Log From Position  ${logfile}  ${position}