Reported here: https://github.com/bitcoin/bitcoin/pull/10244#issuecomment-378035305

Travis log here: https://travis-ci.org/bitcoin/bitcoin/jobs/361243719#L2810

Note the JSON exception:

```
test_framework.authproxy.JSONRPCException: The mempool was not loaded yet (-1) 
```

That exception was introduced here: https://github.com/bitcoin/bitcoin/commit/cb1e319fe9e198c9c5cf5236fe9af5a3d748b9e8#diff-a0c8f511d90e83aa9b5857e819ced344R1617

cc @jtimon 
{
    UniValue rv(UniValue::VOBJ);
    bool activated = false;
    switch(version)
    {
        case 2:
            activated = pindex->nHeight >= consensusParams.BIP34Height;
            break;
        case 3:
            activated = pindex->nHeight >= consensusParams.BIP66Height;
            break;
        case 4:
            activated = pindex->nHeight >= consensusParams.BIP65Height;
            break;
    }
    rv.pushKV("status", activated);
    return rv;
}
static UniValue SoftForkDesc(const std::string &name, int version, const CBlockIndex* pindex, const Consensus::Params& consensusParams)