}

            components.java.addVariantsFromConfiguration(configurations.optionalFeatureRuntimeElements) {
                mapToMavenScope('compile')
                mapToOptional()
            }

            artifacts {
                if ('$classifier' == 'null') {
                    optionalFeatureRuntimeElements file:file("\$buildDir/$optionalFeatureFileName"), builtBy:'touchFile'
                } else {

                mapToOptional()
            }

            artifacts {
                if ('$classifier' == 'null') {
                    optionalFeatureRuntimeElements file:file("\$buildDir/$optionalFeatureFileName"), builtBy:'touchFile'
                } else {

            expectArtifact("publishTest", "jar").hasConf(["compile", "runtime"])
            expectArtifact("publishTest", "jar", "optional-feature").hasConf(["optionalFeatureRuntimeElements"])
            assertConfigurationDependsOn("optionalFeatureRuntimeElements", "org:foo:4.0")
        }

        where:
        optional << [true, false]
    }