// Zero is somewhat a special case, so ensure that we get this one right
public void testNextMatch_zero() {
TestData testData = new TestData(5, true, true);
EdgeCountPredicate countTest = new IncludeEquals(0);
RelationCountMatcher forwardMatcher =
new RelationCountMatcher(testData.countSet, countTest, null);
Collection<GraphNode> forwardMatch = testData.matchNodes(forwardMatcher);
assertEquals(1, forwardMatch.size());