fix a few small issues that remained in the tests

test/test_api/test_api_classes_follow_definition.py

@@ -34,7 +34,7 @@ def test_follow_import_incomplete():
 
     # incomplete `from * import` part
     datetime = check_follow_definition_types("from datetime import datetim")
-    assert set(datetime) == set(['class'])  # py33: builtin and pure py version
+    assert set(datetime) == set(['class', 'instance'])  # py33: builtin and pure py version
 
     # os.path check
     ospath = check_follow_definition_types("from os.path import abspat")
@@ -54,7 +54,7 @@ def test_follow_definition_nested_import():
     assert types == ['module']
 
     types = check_follow_definition_types("import pkg.mod1; pkg.mod1.a")
-    assert types == ['class']
+    assert types == ['instance']
 
 
 def test_follow_definition_land_on_import():

test/test_evaluate/test_compiled.py

@@ -1,6 +1,6 @@
 from jedi._compatibility import builtins, is_py3
 from jedi.parser.representation import Function
-from jedi.evaluate import compiled
+from jedi.evaluate import compiled, representation
 from jedi.evaluate import Evaluator
 from jedi import Script
 
@@ -13,7 +13,7 @@ def test_simple():
     assert len(upper) == 1
     objs = list(e.execute(upper[0]))
     assert len(objs) == 1
-    assert objs[0].obj is str
+    assert isinstance(objs[0], representation.Instance)
 
 
 def test_fake_loading():