How to test v11? VM, Docker, Easy Install & even manual install producing errors on develop branch!

Install / Update Setup
4

My latest attempt which ended in failure is contained in this thread:

https://discuss.frappe.io/t/fatal-error-installing-erpnext-v11-develop-branch-on-gcp-using-easy-install-script/39138/12

There’s another thread i opened when my attempt to install on a pc failed and there’s another i opened when my attempt to set up the downloaded VM failed.