Interesting. I can see the reasoning behind the legal ruling but the bigotry is pretty sad in year 2017.
This is a roommate case, not exactly a tenant landlord issue.
Did the wife agree to have a black roommate previously? Or was the wife a newly wed and just moved into the house? Why do they have to give a reason on race? They should allow people to evict without a reason specified, or the wife can find another reason, like living habit or behavioral issue.
I remember to read some news a while ago about black roommate kicking out white roommate.