ISO Fork Test Not In Line With Daily Usage?

GENEVA, Switzerland – The recall of Merida’s 2017 Scultura CF2 carbon fork included a statement by the Taiwanese manufacturer that there is no international test-standard which includes proving the fork-stem’s durability under the forces introduced by the handlebar. Is this a recurring issue in international standards?
Scultura fork went through the test program and got homologation but still failed once on the road. – Photo Merida