refactor(cypress): refs #6695 simplify parallel test execution script

Jenkinsfile

@@ -118,10 +118,7 @@ pipeline {
                             def image = docker.build('lilium-dev', '-f docs/Dockerfile.dev docs')
                             sh "docker-compose ${env.COMPOSE_PARAMS} up -d"
                             image.inside("--network ${env.COMPOSE_PROJECT}_default -e CI -e TZ") {
-                                sh '''#!/bin/bash
-                                    source test/cypress/cypressParallel.sh
-                                    cypressParallel 2 || true
-                                '''
+                                sh 'sh test/cypress/cypressParallel.sh 2'
                             }
                         }
                     }

test/cypress/cypressParallel.sh

@@ -1,8 +1,4 @@
-cypressParallel() {
-    #  TEST_PATHS=(
-    #     '...'
-    # )
-    # printf "%s\n" "${TEST_PATHS[@]}" | xargs -P $1 -I {} sh -c 'xvfb-run -a cypress run --headless --browser chromium --spec {}'
-    find 'test/cypress/integration' -mindepth 1 -maxdepth 1 -type d | xargs -P "$1" -I {} sh -c 'echo "🔷 {}" && xvfb-run -a cypress run --headless --browser chromium --spec "{}" --quiet > /dev/null 2>&1'
-    wait
-}
+#!/bin/bash
+
+find 'test/cypress/integration' -mindepth 1 -maxdepth 1 -type d | xargs -P "$1" -I {} sh -c 'echo "🔷 {}" && xvfb-run -a cypress run --headless --browser chromium --spec "{}" --quiet > /dev/null 2>&1'
+wait

test/cypress/run.sh

@@ -23,9 +23,6 @@ docker run -it --rm \
     -e CI \
     -e TZ \
     lilium-dev \
-    bash -c '
-        source test/cypress/cypressParallel.sh
-        cypressParallel 2
-    '
+    bash -c 'sh test/cypress/cypressParallel.sh 2'
 
 cleanup