refactor: fix -Wbraced-scalar-init warning in validation tests

Introduced in #20004 (fa29b5ae66).

```bash
test/validation_tests.cpp:68:88: warning: braces around scalar initializer [-Wbraced-scalar-init]
    BOOST_CHECK(signet_params->GetConsensus().signet_challenge == std::vector<uint8_t>{{OP_TRUE}});
                                                                                       ^~~~~~~~~
/usr/local/include/boost/test/tools/old/interface.hpp:83:6: note: expanded from macro 'BOOST_CHECK'
    (P), BOOST_TEST_STRINGIZE( P ), CHECK, CHECK_PRED, _ )
     ^
/usr/local/include/boost/test/tools/old/interface.hpp:68:61: note: expanded from macro 'BOOST_TEST_TOOL_IMPL'
        BOOST_JOIN( BOOST_TEST_TOOL_PASS_PRED, frwd_type )( P, ARGS ),          \
                                                            ^
/usr/local/include/boost/test/tools/old/interface.hpp:51:47: note: expanded from macro 'BOOST_TEST_TOOL_PASS_PRED2'
                                              ^
1 warning generated.
```
This commit is contained in:
fanquake 2020-10-02 12:30:50 +08:00
parent 69a73803df
commit 82b70f15c7
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@ -65,7 +65,7 @@ BOOST_AUTO_TEST_CASE(signet_parse_tests)
signet_argsman.ForceSetArg("-signetchallenge", "51"); // set challenge to OP_TRUE
const auto signet_params = CreateChainParams(signet_argsman, CBaseChainParams::SIGNET);
CBlock block;
BOOST_CHECK(signet_params->GetConsensus().signet_challenge == std::vector<uint8_t>{{OP_TRUE}});
BOOST_CHECK(signet_params->GetConsensus().signet_challenge == std::vector<uint8_t>{OP_TRUE});
CScript challenge{OP_TRUE};
// empty block is invalid