Thread.sleep(10) // Make sure the timestamps are unique.
    val cacheHit =
      executeSynchronously(
        "/",
        "Accept-Language",
        "en-US",
        "Accept-Charset",
        "UTF-8",
      )

    // Check the merged response. The request is the application's original request.
    cacheHit.assertCode(200)
      .assertBody("A")
      .assertHeaders(

import okhttp3.Headers.Companion.headersOf
import okhttp3.MediaType.Companion.toMediaType
import okhttp3.RequestBody.Companion.toRequestBody
import okhttp3.internal.addHeaderLenient
import okhttp3.internal.cacheGet
import okhttp3.internal.platform.Platform.Companion.get
import okhttp3.java.net.cookiejar.JavaNetCookieJar
import okhttp3.testing.PlatformRule
import okio.Buffer
import okio.FileSystem
import okio.ForwardingFileSystem