No need for the VCR K7s.

spec/slack-mathbot/commands/calculate_spec.rb

@@ -1,6 +1,6 @@
 require 'spec_helper'
 
-describe SlackMathbot::Commands::Calculate, vcr: { cassette_name: 'user_info' } do
+describe SlackMathbot::Commands::Calculate do
   def app
     SlackMathbot::App.new
   end

spec/slack-mathbot/commands/unknown_spec.rb

@@ -1,6 +1,6 @@
 require 'spec_helper'
 
-describe SlackRubyBot::Commands::Unknown, vcr: { cassette_name: 'user_info' } do
+describe SlackRubyBot::Commands::Unknown do
   def app
     SlackMathbot::App.new
   end