These tests were out of date, and are superceeded by cocotb tests.
Last working commit at main if needed for reference:


commit 7b3439064a332181ffa4445056b9710929be38b6
Author: Raj Nakarja <raj@siliconwitchery.com>
Date:   Tue May 28 15:58:48 2024 +0200

    Updated graphics testbench
