assertThat(client.connectionPool.connectionCount()).isEqualTo(1)
  }

  /** Test a previously coalesced connection that's no longer healthy.  */
  @Test
  fun staleCoalescedConnection() {
    server.enqueue(MockResponse())
    server.enqueue(MockResponse())
    val connection = AtomicReference<Connection?>()
    client =
      client
        .newBuilder()