add pedigree image tests
add pedigree image tests

macarthur-lab/seqr,ssadedin/seqr,macarthur-lab/seqr,macarthur-lab/seqr,macarthur-lab/seqr,ssadedin/seqr,ssadedin/seqr,ssadedin/seqr,macarthur-lab/seqr,ssadedin/seqr