function itDefaultHandler(text, method) {
	try {
		return method.call(this);
	} catch (err) {
		if (err instanceof assert.AssertionError) {
			err.message += ` (${util.inspect(err.actual)} ${err.operator} ${util.inspect(err.expected)})`;
		}
		throw err;
	}
}
This is `it` default handler if `it` don't exist.
@this {Mocha}
@param {string} text The description of the test case.
@param {Function} method The logic of the test case.
@throws {Error} Any error upon execution of `method`.
@returns {any} Returned value of `method`.