Remove tags for known failures due to the import hack

test/test_cache.py

@@ -1,5 +1,3 @@
-import pytest
-
 from jedi import settings
 from jedi.cache import ParserCacheItem, _ModulePickling
 
@@ -7,7 +5,6 @@ from jedi.cache import ParserCacheItem, _ModulePickling
 ModulePickling = _ModulePickling()
 
 
-@pytest.mark.skipif("sys.version_info >= (3,0)")
 def test_modulepickling_change_cache_dir(monkeypatch, tmpdir):
     """
     ModulePickling should not save old cache when cache_directory is changed.