message: [test] fix bug in ExcludeIndividualFlags
  PR introduced this function but it always returns an empty vector.
diff: @@ -152,14 +152,17 @@ unsigned int FillFlags(unsigned int flags)
  return flags;
  }
  -// Return valid flags that are all except one flag for each flag
  -std::vector<unsigned int> ExcludeIndividualFlags(unsigned int flags)
  +// Exclude each possible script verify flag from flags. Returns a set of these flag combinations
  +// that are valid and without duplicates. For example: if flags=1111 and the 4 possible flags are
  +// 0001, 0010, 0100, and 1000, this should return the set {0111, 1011, 1101, 1110}.
  +// Assumes that mapFlagNames contains all script verify flags.
  +std::set<unsigned int> ExcludeIndividualFlags(unsigned int flags)
  {
  - std::vector<unsigned int> flags_combos;
  - for (unsigned int i = 0; i < mapFlagNames.size(); ++i) {
  - const unsigned int flags_excluding_i = TrimFlags(flags & ~(1U << i));
  - if (flags != flags_excluding_i && std::find(flags_combos.begin(), flags_combos.end(), flags_excluding_i) != flags_combos.end()) {
  - flags_combos.push_back(flags_excluding_i);
  + std::set<unsigned int> flags_combos;
  + for (const auto& pair : mapFlagNames) {
  + const unsigned int flags_excluding_one = TrimFlags(flags & ~(pair.second));
  + if (flags != flags_excluding_one) {
  + flags_combos.insert(flags_excluding_one);
  }
  }
  return flags_combos;
  