@BeforeEach
  fun setUp(server: MockWebServer) {
    this.server = server

    // Default after JDK 14, but we are avoiding tests that assume special setup.
    // System.setProperty("jdk.tls.client.enableSessionTicketExtension", "true")
    // System.setProperty("jdk.tls.server.enableSessionTicketExtension", "true")

    platform.assumeJdk9()
  }

  @Test
  fun testTlsv13Works() {