Only an incredibly small number of devices would be affected at all by moving from 50Hz to 60Hz - and it should be obvious if your boards would be affected.
If you want to do it via an inverter, you MUST make sure it's a 100% sinewave output (VERY expensive), or you're not testing anything like reality. It may be easier (and more realistic) to buy a 110V 60Hz generator, which will probably be better for you?.
But, depending on the device, it's probably pretty pointless?.