val request = Request(server!!.url("/"))
    val response = client.newCall(request).execute()
    assertThat(response.body.string()).isEqualTo("abc")
  }

  @Test fun sslSocketFactorySetAsSocketFactory() {
    val builder = OkHttpClient.Builder()
    assertFailsWith<IllegalArgumentException> {
      builder.socketFactory(SSLSocketFactory.getDefault())
    }
  }