message: test: remove BasicTestingSetup from uint256 unit tests
diff: #include <iomanip>
  #include <sstream>
  #include <string>
  +#include <vector>
  -BOOST_FIXTURE_TEST_SUITE(uint256_tests, BasicTestingSetup)
  +BOOST_AUTO_TEST_SUITE(uint256_tests)
  const unsigned char R1Array[] =
  "\x9c\x52\x4a\xdb\xcf\x56\x11\x12\x2b\x29\x12\x5e\x5d\x35\xd2\xd2"
  