https://www.gamespot.com/articles/dark-souls-remastered-network-test-now-live-early-/1100-6458894/

Bandai Namco's network test for Dark Souls Remastered has gone live a little early. The test was slated to begin tonight at 6 PM PT / 9 PM ET, but PS4 and Xbox One owners who have downloaded the test client can jump into the beta a few hours ahead of schedule.

The network test is only available for the aforementioned consoles; a test was also originally planned to take place this weekend for Nintendo Switch, but that has since been postponed until summer, following the game's delay on Switch. Bandai Namco will hold two test sessions on PS4 and Xbox One from May 11-12, which take place at different times depending on your region. You can see when each session is scheduled to begin and end below.