### Question:
DNDListDOMHelper { static int getCSSPaddingLeft(final HTMLElement element) { return parseInt(element.style.getPropertyValue("padding-left")); }   static final String DRAGGING; }### Answer:
@Test public void testGetCSSPaddingLeft() { element.style = mock(CSSStyleDeclaration.class); when(element.style.getPropertyValue("padding-left")).thenReturn("321"); final int actualPadding = getCSSPaddingLeft(element); final int expectedPadding = 321; assertEquals(expectedPadding, actualPadding); }