//            expires:  10 seconds from served date = 5 seconds ago
    val lastModifiedDate = formatDate(-115, TimeUnit.SECONDS)
    val conditionalRequest =
      assertConditionallyCached(
        MockResponse
          .Builder()
          .addHeader("Last-Modified: $lastModifiedDate")
          .addHeader("Date: " + formatDate(-15, TimeUnit.SECONDS))
          .build(),
      )