val response2 = get(server.url("/"))
    assertThat(response2.body.string()).isEqualTo("A")
    assertThat(response2.header("Warning")).isNull()
  }

  @Test
  fun getHeadersRetainsCached200LevelWarnings() {
    server.enqueue(
      MockResponse.Builder()
        .addHeader("Warning: 299 test danger")

OverlayLoop:
	for _, fs := range nonGoFileLists {
		for _, f := range fs {
			if _, ok := fsys.OverlayPath(mkAbs(p.Dir, f)); ok {
				a.nonGoOverlay = make(map[string]string)
				break OverlayLoop
			}
		}
	}
	if a.nonGoOverlay != nil {
		for _, fs := range nonGoFileLists {
			for i := range fs {
				from := mkAbs(p.Dir, fs[i])
				opath, _ := fsys.OverlayPath(from)