if err != nil {
				t.Fatalf("Test %q: Initializing reader failed %s", testCase.desc, err)
			}
			_, err = io.Copy(io.Discard, r)
			if err != nil {
				if testCase.err == nil {
					t.Errorf("Test %q; got unexpected error: %v", testCase.desc, err)
					return
				}
				if err.Error() != testCase.err.Error() {
					t.Errorf("Test %q: Expected error %s, got error %s", testCase.desc, testCase.err, err)

// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the