message: tests: Add fuzzing coverage for CHECK_NONFATAL(...)
diff: #include <test/fuzz/FuzzedDataProvider.h>
  #include <test/fuzz/fuzz.h>
  #include <test/fuzz/util.h>
  -#include <time.h>
  #include <uint256.h>
  +#include <util/check.h>
  #include <util/moneystr.h>
  #include <util/strencodings.h>
  #include <util/string.h>
  #include <cassert>
  #include <chrono>
  +#include <ctime>
  #include <limits>
  #include <set>
  #include <vector>
  @@ -287,8 +288,12 @@ void test_one_input(const std::vector<uint8_t>& buffer)
  try {
  const uint64_t deserialized_u64 = ReadCompactSize(stream);
  assert(u64 == deserialized_u64 && stream.empty());
  + } catch (const std::ios_base::failure&) {
  }
  - catch (const std::ios_base::failure&) {
  }
  +
  + try {
  + CHECK_NONFATAL(b);
  + } catch (const NonFatalCheckError&) {
  }
  }
  