mavenJob('check-bom-dependencies') {
    description 'Maven Job checking the BOM dependencies of the Spring Boot project'

    ... 
    preBuildSteps {
            groovyCommand(readFileFromWorkspace('backupPOM.groovy')) {
                groovyInstallation('groovy-3.0.7')
              }
    }

[check-bom-dependencies] $ "/var/folders/t2/jwchtqkn5y76hrfrws7dqtqm0000gn/T/j h6296654658095391056/groovy-3.0.7/bin/groovy" "/var/folders/t2/jwchtqkn5y76hrfrws7dqtqm0000gn/T/j h6296654658095391056/workspace/check-bom-dependencies/hudson5004440412061931297.groovy"
Error: Could not find or load main class h6296654658095391056.groovy-3.0.7.lib.groovy.icns
Build step 'Execute Groovy script' marked build as failure

public class MavenCheckBOMJobDSLTest {
    @Rule
    public JenkinsRule j = new JenkinsRule();

    String seedJobName = "maven-seed-job";

    @Before
    // Install Groovy to the Jenkins Global Configuration Tools as it is needed by the mavenJob
    // As no utility class exists to fetch groovy, then we will deploy it from a local resource zip file
    public void setUpGroovy() throws Exception {
        FilePath home = j.jenkins.getRootPath();
        home.unzipFrom(MavenCheckBOMJobDSLTest.class.getResourceAsStream("/groovy-binary-3.0.7.zip"));
        j.jenkins.getDescriptorByType(GroovyInstallation.DescriptorImpl.class).setInstallations(new GroovyInstallation("groovy-3.0.7", home.child("groovy-3.0.7").getRemote(), null));
    }