Required files
mocha/api
mocha/options
mocha/integration/test_unit/gem_version_200
mocha/integration/test_unit/gem_version_201_to_202
mocha/integration/test_unit/gem_version_203_to_220
mocha/integration/test_unit/gem_version_230_to_240
mocha/integration/test_unit/ruby_version_185_and_below
mocha/integration/test_unit/ruby_version_186_and_above