project.pluginManager.apply(GroovyBasePlugin)
    }

    @Test void appliesTheJavaBasePluginToTheProject() {
        assertTrue(project.getPlugins().hasPlugin(JavaBasePlugin));
    }

    @Test void appliesMappingsToNewSourceSet() {
        def sourceSet = project.sourceSets.create('custom')
        assertThat(sourceSet.groovy.displayName, equalTo("custom Groovy source"))