when:
        runAndFail 'someTask', '--myProp', 'OPT_1,OPT_2'

        then:
        failure.assertHasDescription("Problem configuring option 'myProp' on task ':someTask' from command line.")

                    System.out.println("Value of myProp: " + myProp);
                }
                
                private static enum TestEnum {
                    OPT_1, OPT_2, OPT_3
                }
            }
        """
    }

    String taskWithFlagMethod() {
        """
            import org.gradle.api.DefaultTask;
            import org.gradle.api.tasks.TaskAction;