t.Errorf("Unexpected directory entries")
		for _, dirEntry := range dirEntries {
			_, err := r.Open(dirEntry.Name())
			t.Logf("%q (Open error: %v)", dirEntry.Name(), err)
		}
		t.FailNow()
	}
	info, err := dirEntries[0].Info()
	if err != nil {
		t.Fatalf("Error reading info entry: %v", err)
	}
	if name := info.Name(); name != "test.txt" {