gnu: python-pytest: Update to 4.3.0.

* gnu/packages/patches/python-pytest-pluggy-compat.patch: New file.
* gnu/local.mk (dist_patch_DATA): Adjust accordingly.
* gnu/packages/check.scm (python-pytest): Update to 4.3.0.
[source](patches): New field.
[arguments]: Skip five new tests.  Disable tests by passing them as arguments.

gnu/local.mk

@@ -1182,6 +1182,7 @@ dist_patch_DATA =						\
   %D%/packages/patches/python-pycrypto-CVE-2013-7459.patch	\
   %D%/packages/patches/python2-pygobject-2-gi-info-type-error-domain.patch \
   %D%/packages/patches/python-pygpgme-fix-pinentry-tests.patch	\
+  %D%/packages/patches/python-pytest-pluggy-compat.patch	\
   %D%/packages/patches/python2-subprocess32-disable-input-test.patch	\
   %D%/packages/patches/python-unittest2-python3-compat.patch	\
   %D%/packages/patches/python-unittest2-remove-argparse.patch	\

gnu/packages/check.scm

@@ -660,31 +660,35 @@ standard library.")
 (define-public python-pytest
   (package
     (name "python-pytest")
-    (version "3.8.0")
+    (version "4.3.0")
     (source
      (origin
        (method url-fetch)
        (uri (pypi-uri "pytest" version))
+       (patches (search-patches "python-pytest-pluggy-compat.patch"))
        (sha256
         (base32
-         "17grcfvd6ggvvqmprwv5y8g319nayam70hr43ssjwj40ws27z858"))))
+         "077gzimi9xiiyzpc3xjpb5yfgz038xkldg91mmbdvzr7z15isyh6"))))
     (build-system python-build-system)
     (arguments
      `(#:phases
        (modify-phases %standard-phases
-         (add-before 'check 'disable-invalid-tests
+         (replace 'check
            (lambda _
-             ;; Some tests involves the /usr directory, and fails.
-             (substitute* "testing/test_argcomplete.py"
-               (("def test_remove_dir_prefix\\(self\\):")
-                "@pytest.mark.xfail\n    def test_remove_dir_prefix(self):"))
-             (substitute* "testing/test_argcomplete.py"
-               (("def test_remove_dir_prefix" line)
-                (string-append "@pytest.mark.skip"
-                               "(reason=\"Assumes that /usr exists.\")\n    "
-                               line)))
-             #t))
-         (replace 'check (lambda _ (invoke "pytest" "-vv"))))))
+             (invoke "pytest" "-vv" "-k"
+                     (string-append
+                      ;; These tests involve the /usr directory, and fails.
+                      "not test_remove_dir_prefix"
+                      " and not test_argcomplete"
+                      ;; This test tries to override PYTHONPATH, and
+                      ;; subsequently fails to locate the test libraries.
+                      " and not test_collection"
+                      ;; These tests fail when run in verbose mode:
+                      ;; <https://github.com/pytest-dev/pytest/issues/4879>.
+                      " and not test_dont_rewrite_if_hasattr_fails"
+                      " and not test_len"
+                      " and not test_custom_repr"
+                      " and not test_name")))))))
     (propagated-inputs
      `(("python-atomicwrites" ,python-atomicwrites)
        ("python-attrs" ,python-attrs-bootstrap)

gnu/packages/patches/python-pytest-pluggy-compat.patch

@@ -0,0 +1,64 @@
+Fix test failures when built against Pluggy 0.9.
+
+Taken from this upstream commit:
+https://github.com/pytest-dev/pytest/commit/a68f4fd2b9e99c82476d0e04ebcf561aeddbcb2e
+
+diff --git a/testing/test_assertion.py b/testing/test_assertion.py
+index b659233eb..e4fe56c6f 100644
+--- a/testing/test_assertion.py
++++ b/testing/test_assertion.py
+@@ -209,7 +209,7 @@ def load(self, require=True, *args, **kwargs):
+                     import spamplugin
+                     return spamplugin
+ 
+-            def iter_entry_points(name):
++            def iter_entry_points(group, name=None):
+                 yield DummyEntryPoint()
+ 
+             pkg_resources.iter_entry_points = iter_entry_points
+diff --git a/testing/test_config.py b/testing/test_config.py
+index f9f22a63e..1e29b83f1 100644
+--- a/testing/test_config.py
++++ b/testing/test_config.py
+@@ -514,8 +514,8 @@ def test_preparse_ordering_with_setuptools(testdir, monkeypatch):
+     pkg_resources = pytest.importorskip("pkg_resources")
+     monkeypatch.delenv("PYTEST_DISABLE_PLUGIN_AUTOLOAD", raising=False)
+ 
+-    def my_iter(name):
+-        assert name == "pytest11"
++    def my_iter(group, name=None):
++        assert group == "pytest11"
+ 
+         class Dist(object):
+             project_name = "spam"
+@@ -552,8 +552,8 @@ def test_setuptools_importerror_issue1479(testdir, monkeypatch):
+     pkg_resources = pytest.importorskip("pkg_resources")
+     monkeypatch.delenv("PYTEST_DISABLE_PLUGIN_AUTOLOAD", raising=False)
+ 
+-    def my_iter(name):
+-        assert name == "pytest11"
++    def my_iter(group, name=None):
++        assert group == "pytest11"
+ 
+         class Dist(object):
+             project_name = "spam"
+@@ -583,8 +583,8 @@ def test_plugin_preparse_prevents_setuptools_loading(testdir, monkeypatch, block
+ 
+     plugin_module_placeholder = object()
+ 
+-    def my_iter(name):
+-        assert name == "pytest11"
++    def my_iter(group, name=None):
++        assert group == "pytest11"
+ 
+         class Dist(object):
+             project_name = "spam"
+@@ -621,7 +621,7 @@ def load(self):
+ def test_disable_plugin_autoload(testdir, monkeypatch, parse_args, should_load):
+     pkg_resources = pytest.importorskip("pkg_resources")
+ 
+-    def my_iter(name):
++    def my_iter(group, name=None):
+         raise AssertionError("Should not be called")
+ 
+     class PseudoPlugin(object):