then: "extension is not generated if there are no libraries defined"
        failure.assertHasCause("Could not get unknown property 'libs' for object of type org.gradle.api.internal.artifacts.dsl.dependencies.DefaultDependencyHandler")
    }

    def "buildSrc and main project have different libraries extensions"() {
        settingsFile << """
            dependencyResolutionManagement {
                versionCatalogs {