@Override
              public Void answer(InvocationOnMock invocation) {
                rect.set(
                    (Integer) invocation.getArguments()[0],
                    (Integer) invocation.getArguments()[1],
                    (Integer) invocation.getArguments()[2],
                    (Integer) invocation.getArguments()[3]);
                return null;
              }
Stubs setBounds and getBounds methods.

@param drawable drawable to stub methods of
drawee/src/test/java/com/facebook/drawee/drawable/DrawableTestUtils.java