jenkinsfile - watch screen test 8 sanity check 5

api/Jenkinsfile.ble_test

@@ -85,7 +85,7 @@ pipeline {
             steps {
                 sshagent([env.SSH_CREDENTIALS_ID]) {
                     sh """
-                        ssh -o StrictHostKeyChecking=no root@${params.host_ip} \
+                    ssh -o StrictHostKeyChecking=no root@${params.host_ip} -o ServerAliveInterval=60 -o ServerAliveCountMax=120 << EOF
                         while screen -list | grep -q ble_test_${env.TEST_HASH}; do
                             tail -f /tmp/ble_test_${env.TEST_HASH}.log
                         done