Remove unintentionally-unconditional skips

CONTRIBUTING.rst

@@ -203,7 +203,7 @@ Short version
 
 #. Write a ``changelog`` entry: ``changelog/2574.bugfix.rst``, use issue id number
    and one of ``feature``, ``improvement``, ``bugfix``, ``doc``, ``deprecation``,
-   ``breaking``, ``vendor`` or ``trivial`` for the issue type.
+   ``breaking``, or ``vendor`` for the issue type.
 
 
 #. Unless your change is a trivial or a documentation fix (e.g., a typo or reword of a small section) please
@@ -305,8 +305,8 @@ Here is a simple overview, with pytest-specific bits:
 
 #. Create a new changelog entry in ``changelog``. The file should be named ``<issueid>.<type>.rst``,
    where *issueid* is the number of the issue related to the change and *type* is one of
-   ``feature``, ``improvement``, ``bugfix``, ``doc``, ``deprecation``, ``breaking``, ``vendor``
-   or ``trivial``. You may skip creating the changelog entry if the change doesn't affect the
+   ``feature``, ``improvement``, ``bugfix``, ``doc``, ``deprecation``, ``breaking``, or ``vendor``.
+   You may skip creating the changelog entry if the change doesn't affect the
    documented behaviour of pytest.
 
 #. Add yourself to ``AUTHORS`` file if not there yet, in alphabetical order.

changelog/13842.contrib.rst

@@ -0,0 +1 @@
+Improve a few ``py`` tests.

testing/_py/test_local.py

@@ -207,10 +207,7 @@ def test_visit_norecurse(self, path1):
         assert "sampledir" in lst
         assert path1.sep.join(["sampledir", "otherfile"]) not in lst
 
-    @pytest.mark.parametrize(
-        "fil",
-        ["*dir", pytest.mark.skip("sys.version_info < (3,6)")(b"*dir")],
-    )
+    @pytest.mark.parametrize("fil", ["*dir"])
     def test_visit_filterfunc_is_string(self, path1, fil):
         lst = []
         for i in path1.visit(fil):
@@ -463,12 +460,11 @@ def test_fspath_func_match_strpath(self, path1):
 
         assert fspath(path1) == path1.strpath
 
-    @pytest.mark.skip("sys.version_info < (3,6)")
     def test_fspath_open(self, path1):
-        f = path1.join("opentestfile")
-        open(f)
+        f = path1.join("samplefile")
+        stream = open(f, encoding="utf-8")
+        stream.close()
 
-    @pytest.mark.skip("sys.version_info < (3,6)")
     def test_fspath_fsencode(self, path1):
         from os import fsencode