test.t.Fatalf("Write: %v", err)
		}
	}
	if _, err := test.conn.Write([]byte("\r\n")); err != nil {
		test.t.Fatalf("Write: %v", err)
	}
}

// wantBodySent ensures the transport has sent the request body to the server.
func (test *transport100ContinueTest) wantBodySent() {
	got, err := io.ReadAll(io.LimitReader(test.reader, int64(len(transport100ContinueTestBody))))
	if err != nil {