Mark namespace tests as xfail. Support for pkg_resources-style namespaces is dropped.

Author: jaraco

setuptools/tests/test_namespaces.py

@@ -1,6 +1,8 @@
 import subprocess
 import sys
 
+import pytest
+
 from setuptools._path import paths_on_pythonpath
 
 from . import namespaces
@@ -77,6 +79,7 @@ def test_pkg_resources_import(self, tmpdir):
         with paths_on_pythonpath([str(target)]):
             subprocess.check_call(try_import)
 
+    @pytest.mark.xfail(reason="pkg_resources has been removed")
     def test_namespace_package_installed_and_cwd(self, tmpdir):
         """
         Installing a namespace packages but also having it in the current
@@ -106,6 +109,7 @@ def test_namespace_package_installed_and_cwd(self, tmpdir):
         with paths_on_pythonpath([str(target)]):
             subprocess.check_call(pkg_resources_imp, cwd=str(pkg_A))
 
+    @pytest.mark.xfail(reason="pkg_resources has been removed")
     def test_packages_in_the_same_namespace_installed_and_cwd(self, tmpdir):
         """
         Installing one namespace package and also have another in the same