test: update test case for figcaption

Author: stevenjoezhang

test/index.js

@@ -806,8 +806,8 @@ describe('Marked renderer', () => {
 
     result.should.eql([
       '<p><img src="/bar/baz.jpg" title="bar">',
-      '<img src="/bar/baz.jpg" alt="foo" title="bar"><figcaption aria-hidden="true">foo</figcaption>',
-      '<img src="/aaa/bbb.jpg" alt="foo"><figcaption aria-hidden="true">foo</figcaption></p>\n'
+      '<figure><img src="/bar/baz.jpg" alt="foo" title="bar"><figcaption aria-hidden="true">foo</figcaption></figure>',
+      '<figure><img src="/aaa/bbb.jpg" alt="foo"><figcaption aria-hidden="true">foo</figcaption></figure></p>\n'
     ].join('\n'));
   });