Hi,

I was looking for a way to access the test result of the failing test in 
the on_exit hook and 
found https://github.com/elixir-lang/elixir/issues/2969, but could not find 
any follow 
up.

What I am trying to achieve is to create a screenshot for each failing 
browser test (e.g. using Hound), this helps in trying to understand why a 
certain test failed. 

Basically this could look like:

setup context do

  on_exit(context, fn ->
    if context.test_failed
      take_screenshot("./tmp/#{context.test}.png")
    end
  end

  :ok
end


So this something you would consider, or is there already a way to 
implement this?

Thanks in advance,
Lars Vonk

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