boolean isParallelExecutionEnabled() {
        return configurationParameters
                .getBoolean(PARALLEL_EXECUTION_ENABLED_PROPERTY_NAME)
                .orElse(false);
    }
@Test
    void isParallelExecutionEnabled() {
        ConfigurationParameters enabled = new MapConfigurationParameters(
            Constants.PARALLEL_EXECUTION_ENABLED_PROPERTY_NAME,
            "true");
        assertTrue(new CucumberEngineOptions(enabled).isParallelExecutionEnabled());

        ConfigurationParameters disabled = new MapConfigurationParameters(
            Constants.PARALLEL_EXECUTION_ENABLED_PROPERTY_NAME,
            "false");
        assertFalse(new CucumberEngineOptions(disabled).isParallelExecutionEnabled());
        ConfigurationParameters absent = new MapConfigurationParameters(
            "some key", "some value");
        assertFalse(new CucumberEngineOptions(absent).isParallelExecutionEnabled());
    }