class CodeClimate::TestReporter::Formatter

def merge_results(results)

on disk.
needed because calling it directly gets you into caching land with files
Re-implementation of Simplecov::ResultMerger#merged_result, which is 
def merge_results(results)
  merged = {}
  results.each do |result|
    merged = result.original_result.merge_resultset(merged)
  end
  result = SimpleCov::Result.new(merged)
  result.command_name = results.map(&:command_name).sort.join(", ")
  result
end