given:
        buildFile """
            def sysProp = providers.systemProperty("some.prop")
            println('sys prop value at configuration time = ' + sysProp.orNull)

            task ok {
                doLast {
                    println('sys prop value at execution time = ' + sysProp.orNull)
                }
            }
        """

    private static final BigInteger TOO_BIG = (BigInteger.valueOf(Integer.MAX_VALUE)).add(BigInteger.ONE)
    private static final String TOO_BIG_STR = TOO_BIG.toString()

    @Rule
    SetSystemProperties sysProp = new SetSystemProperties()

    def setup() {
        JavaVersion.resetCurrent()
    }

    def cleanup() {
        JavaVersion.resetCurrent()
    }

    def toStringReturnsVersion() {
        expect: