Cases T-910/16 and T 911/16: Judgment of the General Court of 4 April 2019 –Hesse and Wedl & Hofmann v EUIPO (TESTA ROSSA) (EU trade mark — Revocation proceedings — EU figurative mark TESTA ROSSA — Partial revocation — Article 51(1)(a) of Regulation (EC) No 207/2009 (now Article 58(1)(a) of Regulation (EU) 2017/1001) — Proof of use — Outward use of the contested mark — Equal treatment)