val response1 = client.newCall(request).execute()
    assertThat(response1.body.string()).isEqualTo("ABC")
    val cacheEntry =
      fileSystem.allPaths.stream()
        .filter { e: Path -> e.name.endsWith(".0") }
        .findFirst()
        .orElseThrow { NoSuchElementException() }
    corruptCertificate(cacheEntry)
    val response2 = client.newCall(request).execute() // Not Cached!