grA.addToCompatibility(grA.findVertex("D"), grA.findVertex("S"),JUConstants.PAIRCOMPATIBILITY.INCOMPATIBLE);
grA.addToCompatibility(grA.findVertex("U"), grA.findVertex("S"),JUConstants.PAIRCOMPATIBILITY.INCOMPATIBLE);
LearnerGraphND grB = buildLearnerGraphND("A-a->G-u->G\nA-a->H-t->H\nC-q->T\n"+common,name+"B",configND7, converter);
VertexID origID = VertexID.parseID("test orig");
grB.findVertex("B").setColour(JUConstants.GRAY);grB.findVertex("B").setOrigState(origID);grB.findVertex("B").setDepth(3);
grB.addToCompatibility(grB.findVertex("D"), grB.findVertex("T"),JUConstants.PAIRCOMPATIBILITY.INCOMPATIBLE);
grB.addToCompatibility(grB.findVertex("U"), grB.findVertex("T"),JUConstants.PAIRCOMPATIBILITY.INCOMPATIBLE);
grB.addToCompatibility(grB.findVertex("U"), grB.findVertex("R"),JUConstants.PAIRCOMPATIBILITY.INCOMPATIBLE);
LearnerGraphND result = checkDiffBetweenND(grA, grB, 8,0,threadNumber,configND7,converter);
Assert.assertEquals(JUConstants.GRAY,result.findVertex("B").getColour());