[FIX#2182] Allow seqan::string comparison with googletest
[FIX#2182] Allow seqan::string comparison with googletest

xenigmax/seqan,xenigmax/seqan,xenigmax/seqan,xenigmax/seqan,xenigmax/seqan,xenigmax/seqan,xenigmax/seqan,xenigmax/seqan