SpringBootTestingWithCoverage.java

@RunWith(SpringRunner.class)
@SpringBootTest(webEnvironment = WebEnvironment.NONE, //
    classes = TestApplication.class, //
    properties = { //
        "camunda.bpm.job-execution.enabled=false", //
        "camunda.bpm.auto-deployment-enabled=false"})
@Deployment(resources = {"..."}) 
public class SomeScenarioTest {
  
  //...

  @Autowired
  private ProcessEngine processEngine;

  @Rule
  @ClassRule
  public static ProcessEngineRule rule;
  
  @PostConstruct
  void initRule() {
    rule =TestCoverageProcessEngineRuleBuilder.create(processEngine).build();
    // Without Coverage: new ProcessEngineRule(processEngine);
  }
  
  //....

// And you need an own config to initialize the test coverage correctly:

@TestConfiguration
public class CamundaEngineTestCoverageConfiguration extends AbstractCamundaConfiguration {

  @Override
  public void preInit(SpringProcessEngineConfiguration configuration) {
    ProcessCoverageConfigurator.initializeProcessCoverageExtensions(configuration);
  }
}