Failing nested parallel stages are marked green

pipeline {
    agent any
    options {
        timeout(time: 120, unit: 'MINUTES')
        timestamps()
        skipDefaultCheckout()
    }
    stages {
        stage('Nested Parallel Stage') {
            parallel {
                stage("Parallel Stage") { 
                    steps { 
                        script {
                          def parallelTasks = [:]
                        
                            parallelTasks['Successful Task 1'] = {
                              echo "Success"
                          }
                          
                          parallelTasks['Failing Task'] = {
                              sh "exit 1"
                          }
                          
                          parallelTasks['Successful Task'] = {
                              echo "Success"
                          }
                          
                          parallel parallelTasks
                        } 
                    } 
                }
                stage("Stage") {
                    steps { 
                        echo "Stage"    
                    }
                }
            }
        }
    }
}