function testGuess(test, name, testSettings) {
	var expectedResult = testSettings.expect || name;
	if (testSettings.offset) {
		var offsetGuess = getGuessResult(name, { offset: true });
		test.equal(offsetGuess, expectedResult);
	}
	if (testSettings.abbr) {
		var abbrGuess = getGuessResult(name, { abbr: true });
		test.equal(abbrGuess, expectedResult);
	}
	test.done();
}
Runs guess test:
checks that guess result is equal to expectedResult