Function prefix

ui/plugins/ui/jasmine/jasmine.js:4019–4026

(passed)

                }

                function prefix(passed) {
                    return (
                        "Expected a promise " +
                        (passed ? "not " : "") +
                        "to be rejected with " +
                        matchersUtil.pp(expectedValue)
                    )
                }

                return actualPromise.then(
                    function() {