Get rid of the xfails

test/test_pgen2.py

@@ -75,11 +75,15 @@ def test_await_expr(works_in_py):
     """)
 
 
-@pytest.mark.xfail(reason="acting like python 3.7")
-def test_async_var():
-    _parse("""async = 1""", "3.6")
-    _parse("""await = 1""", "3.6")
-    _parse("""def async(): pass""", "3.6")
+@pytest.mark.parametrize(
+    'code', [
+        "async = 1",
+        "await = 1",
+        "def async(): pass",
+    ]
+)
+def test_async_var(works_not_in_py, code):
+    works_not_in_py.parse(code)
 
 
 def test_async_for(works_in_py):

test/test_tokenize.py

@@ -229,9 +229,6 @@ def test_endmarker_end_pos():
     check('a\\')
 
 
-xfail_py2 = dict(marks=[pytest.mark.xfail(sys.version_info[0] == 2, reason='Python 2')])
-
-
 @pytest.mark.parametrize(
     ('code', 'types'), [
         # Indentation
@@ -243,12 +240,10 @@ xfail_py2 = dict(marks=[pytest.mark.xfail(sys.version_info[0] == 2, reason='Pyth
 
         # Name stuff
         ('1foo1', [NUMBER, NAME]),
-        pytest.param(
-            'மெல்லினம்', [NAME],
-            **xfail_py2),
-        pytest.param('²', [ERRORTOKEN], **xfail_py2),
-        pytest.param('ä²ö', [NAME, ERRORTOKEN, NAME], **xfail_py2),
-        pytest.param('ää²¹öö', [NAME, ERRORTOKEN, NAME], **xfail_py2),
+        ('மெல்லினம்', [NAME]),
+        ('²', [ERRORTOKEN]),
+        ('ä²ö', [NAME, ERRORTOKEN, NAME]),
+        ('ää²¹öö', [NAME, ERRORTOKEN, NAME]),
         (' \x00a', [INDENT, ERRORTOKEN, NAME, DEDENT]),
         (dedent('''\
             class BaseCache: