w.WriteHeader(StatusNoContent)
	})).ts

	c := ts.Client()
	for _, closeBody := range []bool{true, false} {
		const n = 4
		for i := 1; i <= n; i++ {
			res, err := c.Get(ts.URL)
			if err != nil {
				t.Errorf("closingBody=%v, req %d/%d: %v", closeBody, i, n, err)
			} else {
				if closeBody {
					res.Body.Close()
				}
			}
		}
	}
}