Is there an easy way to trigger automatic failover of a single mirrored database? I have 3 mirrored databases on a single instance of sqlserver2008-R2 in a high safety with automatic failover config. Is there a way to trigger automatic failover of just 1 database?

I want to simulate where the database actually is unreachable and not just hit the 'Failover' button from SSMS. I can stop the endpoint on the primary but that would make all 3 databases unreachable as they use the same endpoint. 

How do I disable just 1 db?
If your mirroring is configured correctly for high safety/automatic failover, then I would be inclined to think that you could just take the principal database offline with this:

alter database YourDb set offline
with rollback immediate
go


I believe by taking the database offline, you will have automatic failover without affecting the other two databases that you don't want to failover.