message: test: remove BasicTestingSetup from arith_uint256 unit tests
diff: // file COPYING or http://www.opensource.org/licenses/mit-license.php.
  #include <arith_uint256.h>
  -#include <test/util/setup_common.h>
  #include <uint256.h>
  #include <boost/test/unit_test.hpp>
  #include <cmath>
  +#include <cstdint>
  #include <iomanip>
  #include <limits>
  #include <sstream>
  -#include <stdint.h>
  #include <string>
  +#include <vector>
  -BOOST_FIXTURE_TEST_SUITE(arith_uint256_tests, BasicTestingSetup)
  +BOOST_AUTO_TEST_SUITE(arith_uint256_tests)
  /// Convert vector to arith_uint256, via uint256 blob
  static inline arith_uint256 arith_uint256V(const std::vector<unsigned char>& vch)
  