Test getPrimaryKeyColumn

Test	Status	Start time	Time (seconds)	Message
getPrimaryKeyColumn	1PASS	31 Oct 15:15:05	0.001

Target Class	Coverage contributed by getPrimaryKeyColumn
jalview.fts.core.FTSRestClient   jalview.fts.core.FTSRestClient	0.3702127637%
jalview.analysis.Conservation   jalview.analysis.Conservation	0.08620698.6%
jalview.analysis.scoremodels.ScoreMatrix   jalview.analysis.scoremodels.ScoreMatrix	0.008968610.9%