Fixed tests (because of reveal extension change)

IPython/nbconvert/tests/test_nbconvertapp.py

@@ -98,11 +98,11 b' class TestNbConvertApp(TestsBase):'
         """
         Do export templates work?
         """
-        with self.create_temp_cwd(['notebook*.ipynb']):
-            assert not 'error' in self.call([IPYTHON, 'nbconvert', '--to="slides"', 
-                '--notebooks=["notebook2.ipynb"]', '--template="reveal"']).lower()
-            assert os.path.isfile('notebook2.html')
-            with open('notebook2.html') as f:
+        with self.create_temp_cwd(['notebook2.ipynb']):
+            assert not 'error' in self.call([IPYTHON, 'nbconvert', '--to=slides', 
+                '--notebooks=["notebook2.ipynb"]', '--template=reveal']).lower()
+            assert os.path.isfile('notebook2.slides.html')
+            with open('notebook2.slides.html') as f:
                 assert '/reveal.css' in f.read()