this.setSystemPropertiesOfTestJVM("latest")
            this.systemProperties["org.gradle.integtest.crossVersion"] = "true"
            this.systemProperties["org.gradle.integtest.crossVersion.lowestTestedVersion"] = releasedVersions?.lowestTestedVersion?.version

            // We should always be using JUnitPlatform at this point, so don't call useJUnitPlatform(), else this will

    val allTestedVersions: List<GradleVersion>

    val mainTestedVersions: List<GradleVersion>
    val lowestInterestingVersion: GradleVersion = GradleVersion.version("0.8")
    val lowestTestedVersion: GradleVersion = GradleVersion.version("4.0")

    init {
        val releasedVersions = releasedVersionsFile.asFile.reader().use {
            Gson().fromJson(it, ReleasedVersions::class.java)
        }