Citation: Prototype 220 km/h trainset on test
http://www.railwaygazette.com/nc/news/single-view/view/prototype-220-kmh-trainset-on-test.html
The testing hasn't yet written even on English Wikipedia in detail.
And, this will be the 2nd High Speed Rail in East Europe*1.
*1:Here, Turkey is excluded from 'East Europe'