message: Fix expected test results for updated db_get_i64
diff: @@ -153,14 +153,15 @@ void test_db::primary_i64_general(uint64_t receiver, uint64_t code, uint64_t act
  auto len = db_get_i64(itr, value, buffer_len);
  value[buffer_len] = '\0';
  std::string s(value);
  - eosio_assert(uint32_t(len) == strlen("bob's info"), "primary_i64_general - db_get_i64");
  - eosio_assert(s == "bob's", "primary_i64_general - db_get_i64");
  + eosio_assert(uint32_t(len) == buffer_len, "primary_i64_general - db_get_i64");
  + eosio_assert(s == "bob's", "primary_i64_general - db_get_i64 - 5");
  buffer_len = 20;
  - db_get_i64(itr, value, buffer_len);
  - value[buffer_len] = '\0';
  + len = db_get_i64(itr, value, 0);
  + len = db_get_i64(itr, value, len);
  + value[len] = '\0';
  std::string sfull(value);
  - eosio_assert(sfull == "bob's info", "primary_i64_general - db_get_i64");
  + eosio_assert(sfull == "bob's info", "primary_i64_general - db_get_i64 - full");
  }
  // update
  