jenkinsfile - watch screen test 8 sanity check 5

api/Jenkinsfile.ble_test

@@ -85,10 +85,10 @@ pipeline {
             steps {
                 sshagent([env.SSH_CREDENTIALS_ID]) {
                     sh """
-                        ssh -o StrictHostKeyChecking=no root@${params.host_ip} \
-                            while screen -list | grep -q ble_test_${env.TEST_HASH}; do
-                                tail -f /tmp/ble_test_${env.TEST_HASH}.log
-                            done   
+                    ssh -o StrictHostKeyChecking=no root@${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   
                     """
                 }
             }