Assume.assumeTrue(jdk != null)

        configureJavaPluginToolchainVersion(jdk)

        buildFile << """
            dependencies {
                testImplementation "org.spockframework:spock-core:${getSpockVersion(versionNumber)}"
            }

            testing.suites.test.useJUnitJupiter()
        """

        file("src/test/groovy/GroovySpec.groovy") << """

    @Override
    public void useSpock(Provider<String> version) {
        useSpock(parameters -> parameters.getSpockVersion().set(version));
    }

    private void useSpock(Action<SpockToolchainParameters> action) {
        setToolchainAndConfigure(SpockTestToolchain.class, parameters -> {
            parameters.getSpockVersion().convention(SpockTestToolchain.DEFAULT_VERSION);
            action.execute(parameters);
        });
    }