diff --git a/IPython/nbconvert/tests/base.py b/IPython/nbconvert/tests/base.py
index a19372c..23f9123 100644
--- a/IPython/nbconvert/tests/base.py
+++ b/IPython/nbconvert/tests/base.py
@@ -13,13 +13,16 @@ Contains base test class for nbconvert
 # Imports
 #-----------------------------------------------------------------------------
 
+import io
 import os
 import glob
 import shutil
 import unittest
 
 import IPython
+from IPython.nbformat import current
 from IPython.utils.tempdir import TemporaryWorkingDirectory
+from IPython.utils.path import get_ipython_package_dir
 from IPython.utils.process import get_output_error_code
 from IPython.testing.tools import get_ipython_cmd
 
@@ -110,6 +113,12 @@ class TestsBase(unittest.TestCase):
 
         #Return directory handler
         return temp_dir
+    
+    def create_empty_notebook(self, path):
+        nb = current.new_notebook()
+        nb.worksheets.append(current.new_worksheet())
+        with io.open(path, 'w', encoding='utf-8') as f:
+            current.write(nb, f, 'json')
 
 
     def copy_files_to(self, copy_filenames, dest='.'):
@@ -130,7 +139,7 @@ class TestsBase(unittest.TestCase):
         
         #Build a path using the IPython directory and the relative path we just
         #found.
-        path = IPython.__path__[0]
+        path = get_ipython_package_dir()
         for name in names:
             path = os.path.join(path, name)
         return path
diff --git "a/IPython/nbconvert/tests/files/nb1_an\303\241lisis.ipynb" "b/IPython/nbconvert/tests/files/nb1_an\303\241lisis.ipynb"
deleted file mode 100644
index 35524ef..0000000
--- "a/IPython/nbconvert/tests/files/nb1_an\303\241lisis.ipynb"
+++ /dev/null
@@ -1,22 +0,0 @@
-{
- "metadata": {
-  "name": ""
- },
- "nbformat": 3,
- "nbformat_minor": 0,
- "worksheets": [
-  {
-   "cells": [
-    {
-     "cell_type": "code",
-     "collapsed": false,
-     "input": [],
-     "language": "python",
-     "metadata": {},
-     "outputs": []
-    }
-   ],
-   "metadata": {}
-  }
- ]
-}
\ No newline at end of file
diff --git a/IPython/nbconvert/tests/test_nbconvertapp.py b/IPython/nbconvert/tests/test_nbconvertapp.py
index c3827e1..62601c4 100644
--- a/IPython/nbconvert/tests/test_nbconvertapp.py
+++ b/IPython/nbconvert/tests/test_nbconvertapp.py
@@ -189,7 +189,8 @@ class TestNbConvertApp(TestsBase):
         """
         Can notebook names include accents?
         """
-        with self.create_temp_cwd(['nb*.ipynb']):
+        with self.create_temp_cwd():
+            self.create_empty_notebook(u'nb1_análisis.ipynb')
             self.call('nbconvert --log-level 0 --to python nb1_*')
             assert os.path.isfile(u'nb1_análisis.py')
     
@@ -199,7 +200,8 @@ class TestNbConvertApp(TestsBase):
         """
         Generate PDFs if notebooks have an accent in their name?
         """
-        with self.create_temp_cwd(['nb*.ipynb']):
+        with self.create_temp_cwd():
+            self.create_empty_notebook(u'nb1_análisis.ipynb')
             o,e = self.call('nbconvert --log-level 0 --to latex '
                             '"nb1_*" --post PDF '
                             '--PDFPostProcessor.verbose=True')