withPlugins([:], [(alias): null])
    }

    void withPluginAliases(List<String> aliases = []) {
        withPlugins([:], aliases.collectEntries { [it, null] })
    }

    void withPluginsBlockContents(String block) {
        def text = buildFile.text
        int idx = text.indexOf('allprojects')
        text = """${text.substring(0, idx)}
            plugins {
                $block
            }

        file("settings.gradle") << """
dependencyResolutionManagement {
    versionCatalogs {
        libs {
            version('greeter', '1.5')
        }
    }
}"""
        withPluginsBlockContents(
            'id \'com.acme.greeter\' version libs.versions.greeter'
        )

        when:
        plugin.allowAll()
        succeeds taskName

        then:
        outputContains message