Running macOS updates on second drive with OpenCore

I recently moved to OpenCore. I have a second physical drive clone for testing etc. When testing a macOS update on the cloned drive, do I need to copy the EFI to this drive as well, or will it run correctly booting from the main drive's EFI?

I obviously don't want to run into any issues whereby the main install gets corrupted while testing an update on the clone.

submitted by /u/graphnic123
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