Some minor test changes to get typeshed almost fully working

test/test_api/test_full_name.py

@@ -111,5 +111,4 @@ def test_os_path(Script):
 
 def test_os_issues(Script):
     """Issue #873"""
-    c, = Script('import os\nos.nt''').completions()
-    assert c.full_name == 'nt'
+    assert not Script('import os\nos.nt''').completions()

test/test_api/test_interpreter.py

@@ -4,7 +4,7 @@ Tests of ``jedi.api.Interpreter``.
 import pytest
 
 import jedi
-from jedi._compatibility import is_py3, py_version, is_py35
+from jedi._compatibility import is_py3, py_version
 from jedi.evaluate.compiled import mixed
 
 

test/test_api/test_usages.py

@@ -8,7 +8,7 @@ def test_exclude_builtin_modules(Script):
         return [(d.line, d.column) for d in Script(source, column=8).usages(include_builtins=include)]
     source = '''import sys\nprint(sys.path)'''
     places = get(include=True)
-    assert places == [(1, 7), (2, 6)]
+    assert len(places) > 2  # Includes stubs
 
     places = get(include=False)
     assert places == [(1, 7), (2, 6)]