Function errors

test/ft/di_errors.cpp:23–25

namespace {
template <class... TArgs>
auto errors(const TArgs&... args) {
  return std::vector<std::string>{(".*" + std::string{args} + ".*")...};
}

auto compail_fail(int id, const std::string& defines, const std::vector<std::string>& errors, const std::string& code) {
  std::stringstream command;