assertSame("Specificity", specificityMock, before);
specificityCalculator.addAttributeSelector();
specificityCalculator.addClassSelector();
specificityCalculator.addElementSelector();
specificityCalculator.addIDSelector();
specificityCalculator.addPseudoClassSelector();
specificityCalculator.addPseudoElementSelector();
Specificity after = specificityCalculator.getSpecificity();