}

      // Different port is not okay.
      assertFailsWith<IllegalStateException> {
        other.start(addressA, other.port - 1)
      }
    }
  }

  @Test
  fun toStringIncludesLifecycleState() {
    val other = MockWebServer()
    assertThat(other.toString()).isEqualTo("MockWebServer{new}")
    other.use {
      other.start()