getting exvcr as a dependency

mix.exs

@@ -22,7 +22,8 @@ defmodule Imgurex.Mixfile do
      {:poison, "~> 3.0"},
      {:meck, "~> 0.8", only: :test},
      {:excoveralls, "~> 0.5", only: :test},
-     {:credo, "~> 0.6", only: [:dev, :test]}]
+     {:credo, "~> 0.6", only: [:dev, :test]},
+     {:exvcr, "~> 0.8.7", only: :test}]
   end
 
    defp aliases do

mix.lock

@@ -1,8 +1,10 @@
 %{"bunt": {:hex, :bunt, "0.2.0", "951c6e801e8b1d2cbe58ebbd3e616a869061ddadcc4863d0a2182541acae9a38", [:mix], []},
   "certifi": {:hex, :certifi, "0.7.0", "861a57f3808f7eb0c2d1802afeaae0fa5de813b0df0979153cbafcd853ababaf", [:rebar3], []},
   "credo": {:hex, :credo, "0.6.0", "44a82f82b94eeb4ba6092c89b8a6730ca1a3291c7940739d5acc8806d25ac991", [:mix], [{:bunt, "~> 0.2.0", [hex: :bunt, optional: false]}]},
+  "exactor": {:hex, :exactor, "2.2.3", "a6972f43bb6160afeb73e1d8ab45ba604cd0ac8b5244c557093f6e92ce582786", [:mix], []},
   "excoveralls": {:hex, :excoveralls, "0.5.7", "5d26e4a7cdf08294217594a1b0643636accc2ad30e984d62f1d166f70629ff50", [:mix], [{:exjsx, "~> 3.0", [hex: :exjsx, optional: false]}, {:hackney, ">= 0.12.0", [hex: :hackney, optional: false]}]},
   "exjsx": {:hex, :exjsx, "3.2.1", "1bc5bf1e4fd249104178f0885030bcd75a4526f4d2a1e976f4b428d347614f0f", [:mix], [{:jsx, "~> 2.8.0", [hex: :jsx, optional: false]}]},
+  "exvcr": {:hex, :exvcr, "0.8.7", "e76f33b10dfefbcf32afa6d6867140566d0d54797e352b47485eed0241dd7edf", [:mix], [{:exactor, "~> 2.2", [hex: :exactor, optional: false]}, {:exjsx, "~> 3.2", [hex: :exjsx, optional: false]}, {:httpoison, "~> 0.8", [hex: :httpoison, optional: true]}, {:httpotion, "~> 3.0", [hex: :httpotion, optional: true]}, {:ibrowse, "~> 4.2.2", [hex: :ibrowse, optional: true]}, {:meck, "~> 0.8.3", [hex: :meck, optional: false]}]},
   "hackney": {:hex, :hackney, "1.6.3", "d489d7ca2d4323e307bedc4bfe684323a7bf773ecfd77938f3ee8074e488e140", [:mix, :rebar3], [{:certifi, "0.7.0", [hex: :certifi, optional: false]}, {:idna, "1.2.0", [hex: :idna, optional: false]}, {:metrics, "1.0.1", [hex: :metrics, optional: false]}, {:mimerl, "1.0.2", [hex: :mimerl, optional: false]}, {:ssl_verify_fun, "1.1.1", [hex: :ssl_verify_fun, optional: false]}]},
   "httpoison": {:hex, :httpoison, "0.10.0", "4727b3a5e57e9a4ff168a3c2883e20f1208103a41bccc4754f15a9366f49b676", [:mix], [{:hackney, "~> 1.6.3", [hex: :hackney, optional: false]}]},
   "idna": {:hex, :idna, "1.2.0", "ac62ee99da068f43c50dc69acf700e03a62a348360126260e87f2b54eced86b2", [:rebar3], []},