Fix test failures because imports.py uses base.py

test/base.py

@@ -17,6 +17,9 @@ import jedi
 from jedi._compatibility import is_py25
 
 
+sample_int = 1  # This is used in completion/imports.py
+
+
 class TestBase(unittest.TestCase):
     def get_script(self, src, pos, path=None):
         if pos is None:

test/completion/imports.py

@@ -154,9 +154,9 @@ mod1.a
 
 from .. import base
 #? int()
-base.tests_fail
+base.sample_int
 
-from ..base import tests_fail as f
+from ..base import sample_int as f
 #? int()
 f