1. Manual testing is cheaper than automation testing for small projects. Smaller undertakings don’t have heaps of functionalities, and the volume regression is usually low.

Adding a manual testing step can ensure that you not only catch and correct bugs, but also gain insight into how users will interact with and perceive the design.

If you're developing a VC-2 codec you can find the complete conformance testing procedures in the VC-2 Conformance Testing Software Manual (also availble in PDF format).