p2.addDomainMarker(new CategoryMarker("C1"), Layer.FOREGROUND);
assertTrue(p1.equals(p2));
p1.addDomainMarker(new CategoryMarker("C2"), Layer.BACKGROUND);
assertFalse(p1.equals(p2));
p2.addDomainMarker(new CategoryMarker("C2"), Layer.BACKGROUND);
assertTrue(p1.equals(p2));
p1.addRangeMarker(new ValueMarker(1.0), Layer.FOREGROUND);
assertFalse(p1.equals(p2));
p2.addRangeMarker(new ValueMarker(1.0), Layer.FOREGROUND);