// Confirm the iterator returns those responses...
    val i: Iterator<String> = cache.urls()
    assertThat(i.hasNext()).isTrue()
    assertThat(i.next()).isEqualTo(urlA.toString())
    assertThat(i.hasNext()).isTrue()
    assertThat(i.next()).isEqualTo(urlB.toString())
    assertThat(i.hasNext()).isTrue()
    assertThat(i.next()).isEqualTo(urlC.toString())

    // ... and nothing else.

import assertk.assertions.isLessThan
import assertk.assertions.isNotEmpty
import assertk.assertions.isNotNull
import assertk.assertions.isNotSameAs
import assertk.assertions.isNull
import assertk.assertions.isTrue
import assertk.assertions.matches
import assertk.assertions.prop
import assertk.assertions.startsWith
import assertk.fail
import java.io.FileNotFoundException
import java.io.IOException

import assertk.assertions.isIn
import assertk.assertions.isInstanceOf
import assertk.assertions.isLessThan
import assertk.assertions.isNotEmpty
import assertk.assertions.isNull
import assertk.assertions.isTrue
import assertk.fail
import java.io.File
import java.io.IOException
import java.io.InputStream
import java.net.ConnectException
import java.net.CookieManager
import java.net.HttpURLConnection