The newly added "should execute a custom script" int test is very flaky on mongodb - it was failing most of the time. This PR skips this test until it's fixed Example failures: - https://github.com/payloadcms/payload/actions/runs/13618762213/job/38065304540 - https://github.com/payloadcms/payload/actions/runs/13611742446/job/38049886588 - https://github.com/payloadcms/payload/actions/runs/13608918590/job/38043761182 - https://github.com/payloadcms/payload/actions/runs/13599001510/job/38021936623