VAST3.0 Example is missing required 'ClickThrough' #44
Description
https://github.com/InteractiveAdvertisingBureau/VAST_Samples/blob/6a60797f3b17f6d371ebe8ee3f511e9944078073/VAST 3.0 Samples/Inline_Linear_Tag-test.xml#L28
https://www.iab.com/wp-content/uploads/2015/06/VASTv3_0.pdf
2.3.1.6 states that , if present, must contain exactly one node.