138     let err = req_err("> 0.1.0,");  in test_multiple()  localVariable
144     let err = req_err("> 0.3.0, ,");  in test_multiple()  localVariable
169     let err = req_err("1.2.3 - 2.3.4");  in test_multiple()  localVariable
176     let err = req_err("> 0.0.9 <= 2.5.3");  in test_whitespace_delimited_comparator_sets()  localVariable
273     let err = req_err("");  in test_wildcard()  localVariable
307     let err = req_err("=1.2.3 || =2.3.4");  in test_logical_or()  localVariable
310     let err = req_err("1.1 || =1.2.3");  in test_logical_or()  localVariable
313     let err = req_err("6.* || 8.* || >= 10.*");  in test_logical_or()  localVariable
336     let err = req_err("\0");  in test_parse_errors()  localVariable
342     let err = req_err(">= >= 0.0.2");  in test_parse_errors()  localVariable
348     let err = req_err(">== 0.0.2");  in test_parse_errors()  localVariable
354     let err = req_err("a.0.0");  in test_parse_errors()  localVariable
360     let err = req_err("1.0.0-");  in test_parse_errors()  localVariable
363     let err = req_err(">=");  in test_parse_errors()  localVariable
382     let err = req_err("*.1");  in test_digit_after_wildcard()  localVariable
385     let err = req_err("1.*.1");  in test_digit_after_wildcard()  localVariable
388     let err = req_err(">=1.*.1");  in test_digit_after_wildcard()  localVariable
426     let err = req_err("*, 0.20.0-any");  in test_wildcard_and_another()  localVariable
432     let err = req_err("0.20.0-any, *");  in test_wildcard_and_another()  localVariable
438     let err = req_err("0.20.0-any, *, 1.0");  in test_wildcard_and_another()  localVariable