OptionalfailureClass objects derived from Error which are thrown by your testing
framework, for example AssertionError for chai. If a test method throws
an instance of one of these classes, it is reported as a failed test. If
any other cruft is thrown, the test is reported as crashed.
OptionalisA regular expression applied to methods of a test instance with
RegExp.test() to decide whether it is a test function. Default:
/^test/.
OptionalisA regular expression applied to functions/classes of a test module with
RegExp.test() to decide whether it is a test class
(i.e. constructor). Default: /^test/.
OptionallogThe logger used to report test outcome. Default: new DefaultTestLogger()
and is. See DefaultTestLogger, HtmlTestLogger
Options to configure a UnitTester.