Required files
- spec/matchers/extensions/instance_exec
- spec/matchers/matcher
- spec/matchers/operator_matcher
- spec/matchers/be
- spec/matchers/be_close
- spec/matchers/be_instance_of
- spec/matchers/be_kind_of
- spec/matchers/change
- spec/matchers/eql
- spec/matchers/equal
- spec/matchers/errors
- spec/matchers/exist
- spec/matchers/generated_descriptions
- spec/matchers/has
- spec/matchers/have
- spec/matchers/include
- spec/matchers/match
- spec/matchers/match_array
- spec/matchers/method_missing
- spec/matchers/raise_error
- spec/matchers/respond_to
- spec/matchers/satisfy
- spec/matchers/simple_matcher
- spec/matchers/throw_symbol
- spec/matchers/wrap_expectation
- spec/matchers/compatibility