Use BROWSER environment variable to select browser

Author: kangasta

docs/tutorials/jenkins/parallel-robot-pipeline/Jenkinsfile

@@ -15,24 +15,26 @@ pipeline {
           agent { docker {
             image 'ghcr.io/cicd-tutorials/robot-browser:latest'
             args '--entrypoint=""'
-            reuseNode true
           } }
+          environment {
+            BROWSER = "chromium"
+          }
           steps {
             sh "robot -d robot_output -l none -r none -o chromium.xml -N Chromium -v URL:${params.URL} --nostatusrc $d/suites/"
-            // If reuseNode true was not used, we would have to stash the output XML.
-            // stash includes: 'robot_output/**', name: 'Chromium'
+            stash includes: 'robot_output/**', name: 'Chromium'
           }
         }
         stage('Firefox') {
           agent { docker {
             image 'ghcr.io/cicd-tutorials/robot-browser:latest'
             args '--entrypoint=""'
-            reuseNode true
           } }
+          environment {
+            BROWSER = "firefox"
+          }
           steps {
-            sh "robot -d robot_output -l none -r none -o b.xml -N Firefox -v URL:${params.URL} --nostatusrc $d/suites/"
-            // If reuseNode true was not used, we would have to stash the output XML.
-            // stash includes: 'robot_output/**', name: 'Firefox'
+            sh "robot -d robot_output -l none -r none -o firefox.xml -N Firefox -v URL:${params.URL} --nostatusrc $d/suites/"
+            stash includes: 'robot_output/**', name: 'Firefox'
           }
         }
       }
@@ -44,9 +46,8 @@ pipeline {
         reuseNode true
       } }
       steps {
-        // If reuseNode true was not used, we would have to unstash the output XMLs.
-        // unstash 'Chromium'
-        // unstash 'Firefox'
+        unstash 'Chromium'
+        unstash 'Firefox'
         sh "rebot -d rebot_output -o output.xml -N '${env.JOB_BASE_NAME} ${BUILD_DISPLAY_NAME}' --nostatusrc robot_output/*.xml"
       }
     }