Ensure blacklist header check is case insensitive. #59
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I was looking at a package that uses ExVCR and noticed that the cassettes were not filtering the headers that were specified in the config. It turns out to be a case sensitivity issue. I think it doesn't show up in the ExVCR specs because the test server, HttpServer, seems to use all lowercase headers.
I also noticed there is not a unit test file for
ExVCR.Filter
. I added one, but only added tests for theremove_blacklisted_headers
method for now.P.S. This is my first Elixir PR, apologies if I'm not following proper conventions yet. 😊 I'll be happy to fix mistakes.