val response2 = client.newCall(request2).execute()
    assertThat(response1.handshake).isNotSameAs(
      response2.handshake,
    )
    response2.body.close()
  }

  @Test
  fun unmatchingPinnedCertificate() {
    enableTls()
    server.enqueue(MockResponse())

    // Pin publicobject.com's cert.
    client =
      client
        .newBuilder()
        .certificatePinner(