val platform = System.getProperty("okhttp.platform", "jdk9")
  val testJavaVersion = System.getProperty("test.java.version", "21").toInt()

  val testRuntimeOnly: Configuration by configurations.getting
  dependencies {
    testRuntimeOnly(rootProject.libs.junit.jupiter.engine)
    testRuntimeOnly(rootProject.libs.junit.vintage.engine)
  }

  tasks.withType<Test> {
    useJUnitPlatform()
    jvmArgs(