diff --git a/test/test_api/test_interpreter.py b/test/test_api/test_interpreter.py
index 1997b5ad..7c82ea58 100644
--- a/test/test_api/test_interpreter.py
+++ b/test/test_api/test_interpreter.py
@@ -41,12 +41,12 @@ def test_builtin_details():
 
 
 def test_nested_resolve():
-    class X():
+    class XX():
         def x():
             pass
 
-    cls = get_completion('X', locals())
-    func = get_completion('X.x', locals())
+    cls = get_completion('XX', locals())
+    func = get_completion('XX.x', locals())
     assert func.start_pos == (cls.start_pos[0] + 1, 12)
 
 
diff --git a/test/test_parser/test_fast_parser.py b/test/test_parser/test_fast_parser.py
index b7758e29..c8ab24e8 100644
--- a/test/test_parser/test_fast_parser.py
+++ b/test/test_parser/test_fast_parser.py
@@ -478,5 +478,5 @@ def test_round_trip():
         """hahaha"""
     func''')
 
-    f = FastParser(load_grammar(), source)
+    f = FastParser(load_grammar(), u(source))
     assert f.get_parsed_node().get_code() == source