diff --git a/IPython/html/nbconvert/tests/test_nbconvert_handlers.py b/IPython/html/nbconvert/tests/test_nbconvert_handlers.py
index 657c6d945..16e44fe12 100644
--- a/IPython/html/nbconvert/tests/test_nbconvert_handlers.py
+++ b/IPython/html/nbconvert/tests/test_nbconvert_handlers.py
@@ -1,4 +1,5 @@
 # coding: utf-8
+import base64
 import io
 import json
 import os
@@ -37,6 +38,10 @@ class NbconvertAPI(object):
     def list_formats(self):
         return self._req('GET', '')
 
+png_green_pixel = base64.encodestring(b'\x89PNG\r\n\x1a\n\x00\x00\x00\rIHDR\x00'
+b'\x00\x00\x01\x00\x00x00\x01\x08\x02\x00\x00\x00\x90wS\xde\x00\x00\x00\x0cIDAT'
+b'\x08\xd7c\x90\xfb\xcf\x00\x00\x02\\\x01\x1e.~d\x87\x00\x00\x00\x00IEND\xaeB`\x82')
+
 class APITest(NotebookTestBase):
     def setUp(self):
         nbdir = self.notebook_dir.name
@@ -51,6 +56,7 @@ class APITest(NotebookTestBase):
         ws.cells.append(new_heading_cell(u'Created by test ³'))
         cc1 = new_code_cell(input=u'print(2*6)')
         cc1.outputs.append(new_output(output_text=u'12'))
+        cc1.outputs.append(new_output(output_png=png_green_pixel, output_type='pyout'))
         ws.cells.append(cc1)
         
         with io.open(pjoin(nbdir, 'foo', 'testnb.ipynb'), 'w',