//pipeline1
pipeline {
    agent any 
    options { timeout(time:10, unit:"SECONDS") }
    stages {
        stage("My Stage") {
            steps {
                sleep 20
            }
        }
    }
}

//pipeline2
CONDITION = true
pipeline {
    agent any
    stages {
        stage("Downstream") {
            steps {
                catchError(buildResult: "UNSTABLE", stageResult: "FAILURE") {
                    build "pipeline1"
                }
            }
        }
        stage("Run Robot") {
            when { expression { CONDITION == true }}
            steps {
                sh 'echo "*** Test cases ***" > myTests.robot'
                sh 'echo "My Test" >> myTests.robot'
                sh 'echo "    Log to console    hello world" >> myTests.robot'
                sh "robot --nostatusrc myTests.robot"
            }
            post {
                always {
                    echo "Reached post steps"
                    robot(outputPath: '.',
                          passThreshold: 80.0,
                          unstableThreshold: 70.0)
                    echo "Robot should've run by now."
                }
            }
        }
    }
}

[Pipeline] stage
[Pipeline] { (Downstream)
[Pipeline] catchError 
[Pipeline] { [Pipeline] build (Building JENKINS-63746 » pipeline1) Scheduling project: JENKINS-63746 » pipeline1 Starting building: JENKINS-63746 » pipeline1 #3 
[Pipeline] } JENKINS-63746 » pipeline1 #3 completed with status ABORTED (propagate: false to ignore) 
[Pipeline] // catchError [Pipeline] }
[Pipeline] // stage [Pipeline] stage 
[Pipeline] { (Run Robot) 
[Pipeline] sh + echo *** Test cases *** 
[Pipeline] sh + echo My Test 
[Pipeline] sh + echo Log to console hello world 
[Pipeline] sh + robot --nostatusrc myTests.robot 
============================================================================== 
myTests 
==============================================================================
 My Test hello world 
| PASS | 
------------------------------------------------------------------------------ 
myTests | PASS | 
1 critical test, 1 passed, 0 failed 
1 test total, 1 passed, 0 failed ============================================================================== 
Output: /home/jenkins/workspace/JENKINS-63746/pipeline2/output.xml 
Log: /home/jenkins/workspace/JENKINS-63746/pipeline2/log.html 
Report: /home/jenkins/workspace/JENKINS-63746/pipeline2/report.html 
Post stage 
[Pipeline] echo Reached post steps 
[Pipeline] robot 
[Pipeline] echo Robot should've run by now. 
[Pipeline] } 
[Pipeline] // stage 
[Pipeline] } 
[Pipeline] // node 
[Pipeline] End of Pipeline