.build()
    }.also { expected ->
      assertThat(expected.message)
        .isEqualTo("At least one cipher suite is required")
    }
  }

  @Test
  fun cleartextBuilder() {
    val cleartextSpec = ConnectionSpec.Builder(false).build()
    assertThat(cleartextSpec.isTls).isFalse()
  }

  @Test
  fun tlsBuilder_explicitCiphers() {
    val tlsSpec =