Tests that parameters to CSSStyleDeclaration API are mandatory. On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE". PASS style.item() threw exception TypeError: Not enough arguments. PASS style.removeProperty() threw exception TypeError: Not enough arguments. PASS style.getPropertyPriority() threw exception TypeError: Not enough arguments. PASS style.getPropertyCSSValue() threw exception TypeError: Not enough arguments. PASS successfullyParsed is true TEST COMPLETE