The Murideo Fresco Six A/Six G combo has a robust HDMI cable test built in (to see a "how to" step by step guide click here).
This cable test was specifically designed for copper based HDMI cables. Testing fiber based or fiber/copper (AOC) hybrid HDMI cables is a little more tricky. Luckily we have a process that will help you test these types of HDMI cables.
Bottom pic is an example of a FAIL
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