Fixed test for week of fiscal year weekyear.

The calculation of the week of a weekyear may return values > 52, if the
number of weeks in this year is > 52.

Signed-off-by: Sebastian Hoß <mail@shoss.de>
Reference latest stable datasets component

Signed-off-by: Sebastian Hoß <mail@shoss.de>
[maven-release-plugin] prepare release fiscal-year-1.0.0