Also, clearing cookies and cache seems to solve your concern - but I am uncertain of your Settings:
In a Brave Browser New Window, go to:
brave://settings/clearBrowserData
Examine all three tabs, Basic, Advanced, On exit - and adjust/test the settings. In other words, do a lot of “What if?” testing, and thereby learn what may/will be affected.
Also, find the setting(s) that upgrade an HTTP connection to an HTTPS connection, and disable that - while developing.
And check out: