#6227: Because of a wrong indentation, the test was not testing what it should.
Ensure that the snippet in doctest_aliases actually contains aliases.
diff --git a/Lib/test/doctest_aliases.py b/Lib/test/doctest_aliases.py
index e6e5ca9..1f33f83 100644
--- a/Lib/test/doctest_aliases.py
+++ b/Lib/test/doctest_aliases.py
@@ -10,4 +10,4 @@
         '''
         return 'f'
 
-        g = f # define an alias for f
+    g = f # define an alias for f
diff --git a/Lib/test/test_doctest.py b/Lib/test/test_doctest.py
index a812868..a350390 100644
--- a/Lib/test/test_doctest.py
+++ b/Lib/test/test_doctest.py
@@ -498,6 +498,8 @@
 will only be generated for it once:
 
     >>> from test import doctest_aliases
+    >>> assert doctest_aliases.TwoNames.f
+    >>> assert doctest_aliases.TwoNames.g
     >>> tests = excl_empty_finder.find(doctest_aliases)
     >>> print len(tests)
     2