database: Correct test logging found by go vet.
database: Correct test logging found by go vet.

ppcsuite/ppcd,jcmincke/dcrd,jcmincke/dcrd,soapboxsys/ombfullnode,btcsuite/btcd,aakselrod/btcd,aakselrod/btcd,runeaune/btcd,qchain/btcd,btcsuitereleases/btcd,1d4Nf6/btcd,btcsuite/btcd,cqswxj2013/btcd,dajohi/btcd,decred/dcrd,wallclockbuilder/btcd,qchain/btcd,Dirbaio/btcd,adiabat/btcd,adiabat/btcd,Cleawing/btcd,decred/dcrd,jrick/dcrd,jcmincke/dcrd,danoctavian/btcd,dajohi/btcd,davecgh/btcd,jrick/btcd,CryptocurrencyCabal/htcd,Roasbeef/btcd,jrick/dcrd,Stash-Crypto/btcd,jrick/btcd,BitGo/prova,toddfries/btcd,DanielKrawisz/btcd,DanielKrawisz/btcd,ppcsuite/ppcd-old,CryptocurrencyCabal/htcd,BitGo/prova,pkothbauer/btcd,tb00/btcd,ltcsuite/ltcd,dan-da/btcd,toddfries/btcd,tb00/btcd,hectorj/btcd,Stash-Crypto/btcd,mathiasrw/btcd,ppcsuite/ppcd-old,jrick/btcd,stevenroose/btcd,danoctavian/btcd,Roasbeef/btcd,1d4Nf6/btcd,jongillham/btcd,Cleawing/btcd,dajohi/btcd,stevenroose/btcd,Dirbaio/btcd,hectorj/btcd,cjepson/btcd,glv2/ppcd,cqswxj2013/btcd,ppcsuite/ppcd,mathiasrw/btcd,glv2/ppcd,wallclockbuilder/btcd,Dirbaio/btcd,runeaune/btcd,cjepson/btcd,pkothbauer/btcd,jongillham/btcd,davecgh/btcd,ltcsuite/ltcd,btcsuitereleases/btcd,soapboxsys/ombfullnode,dan-da/btcd