assertEquals(13, countStatements(sc, null, null, null, false));
assertEquals(edgesBefore + 13, countEdges());
assertEquals(verticesBefore + 9, countVertices());
sc.clear();
sc.commit();
sc.begin();
assertEquals(0, countStatements(sc, null, null, null, false));
assertEquals(0, countEdges());
// Namespaces vertex is still present.