Test for same tag, different values

I thought I might be able to hack around the lack of a logical OR operator for tags [like cucumber](https://github.com/cucumber/cucumber/wiki/Tags#logically-anding-and-oring-tags) by using DeMorgan's law, but I found that doesn't work for different values of the same tag.

In the test I added, I was hoping to get something like:
`exclude {:type=>"special", :type=>"custom"}`
but the tags overwrite each other, so I just get
`exclude {:type=>"custom"}`

Tests fails for both rspec2 and rspec3.
I use rubocop on a lot of projects to clean that up, but didn't run it here...

I updated my editor settings but now everyone else might get mad at me. I'm starting to generate noisy commits in other projects that weren't following conventions... I'll have to at least see if I can make it for ruby projects only...