Change the last few tests to remove jedi completely and now tox -e py35 passes.

test/test_tokenize.py

@@ -144,12 +144,6 @@ class TokenTest(unittest.TestCase):
             assert string_tok.value == s
 
 
-def test_tokenizer_with_string_literal_backslash():
-    import jedi
-    c = jedi.Script("statement = u'foo\\\n'; statement").goto_definitions()
-    assert c[0]._name._context.obj == 'foo'
-
-
 def test_ur_literals():
     """
     Decided to parse `u''` literals regardless of Python version. This makes