module MiniTest

def self.const_missing name # :nodoc:
  case name
  when :MINI_DIR then
    msg = "MiniTest::MINI_DIR was removed. Don't violate other's internals."
    warn "WAR\NING: #{msg}"
    warn "WAR\NING: Used by #{caller.first}."
    const_set :MINI_DIR, "bad value"
  else
    super
  end
end