Method printHeaderString

Bcore/src/main/cpp/Dobby/tests/catch.hpp:11968–11975

if string has a : in first line will set indent to follow it on subsequent lines

// if string has a : in first line will set indent to follow it on
// subsequent lines
void ConsoleReporter::printHeaderString(std::string const &_string, std::size_t indent) {
  std::size_t i = _string.find(": ");
  if (i != std::string::npos)
    i += 2;
  else
    i = 0;
  stream << Column(_string).indent(indent + i).initialIndent(indent) << '\n';
}

struct SummaryColumn {