diff --git a/IPython/core/tests/daft_extension.py b/IPython/core/tests/daft_extension/daft_extension.py
similarity index 100%
rename from IPython/core/tests/daft_extension.py
rename to IPython/core/tests/daft_extension/daft_extension.py
diff --git a/IPython/core/tests/daft_extension/setup.py b/IPython/core/tests/daft_extension/setup.py
new file mode 100644
index 0000000..ed00d79
--- /dev/null
+++ b/IPython/core/tests/daft_extension/setup.py
@@ -0,0 +1,5 @@
+from distutils.core import setup
+setup(name='daft_extension',
+      version='1.0',
+      py_modules=['daft_extension'],
+      )
diff --git a/IPython/core/tests/test_magic.py b/IPython/core/tests/test_magic.py
index 9bbe3c3..c4d15e9 100644
--- a/IPython/core/tests/test_magic.py
+++ b/IPython/core/tests/test_magic.py
@@ -9,7 +9,7 @@ import io
 import os
 import sys
 import warnings
-from unittest import TestCase, skipIf
+from unittest import TestCase
 
 try:
     from importlib import invalidate_caches   # Required from Python 3.3
@@ -23,9 +23,8 @@ from IPython import get_ipython
 from IPython.core import magic
 from IPython.core.error import UsageError
 from IPython.core.magic import (Magics, magics_class, line_magic,
-                                cell_magic, line_cell_magic,
-                                register_line_magic, register_cell_magic,
-                                register_line_cell_magic)
+                                cell_magic,
+                                register_line_magic, register_cell_magic)
 from IPython.core.magics import execution, script, code
 from IPython.testing import decorators as dec
 from IPython.testing import tools as tt
@@ -611,8 +610,8 @@ def test_extension():
     try:
         _ip.ipython_dir = tmpdir.name
         nt.assert_raises(ImportError, _ip.magic, "load_ext daft_extension")
-        url = os.path.join(os.path.dirname(__file__), "daft_extension.py")
-        _ip.magic("install_ext %s" % url)
+        url = os.path.join(os.path.dirname(__file__), "daft_extension")
+        _ip.system("%s -m pip install %s" % (sys.executable, url))
         _ip.user_ns.pop('arq', None)
         invalidate_caches()   # Clear import caches
         _ip.magic("load_ext daft_extension")