Show new test failure

src/_pytest/config/__init__.py

@@ -636,8 +636,8 @@ def _importconftest(
     ) -> types.ModuleType:
         # Avoid inconsistent path issues on Windows, see
         # https://github.com/pytest-dev/pytest/issues/9765
-        normalized_conftestpath = os.path.normcase(conftestpath)
-        existing = self.get_plugin(normalized_conftestpath)
+        # normalized_conftestpath = os.path.normcase(conftestpath)
+        existing = self.get_plugin(str(conftestpath))
         if existing is not None:
             return cast(types.ModuleType, existing)
 
@@ -747,8 +747,8 @@ def consider_conftest(self, conftestmodule: types.ModuleType) -> None:
         name = conftestmodule.__file__
         # Avoid inconsistent path issues on Windows, see
         # https://github.com/pytest-dev/pytest/issues/9765
-        normalized_name = name if name is None else os.path.normcase(name)
-        self.register(conftestmodule, name=normalized_name)
+        # normalized_name = name if name is None else os.path.normcase(name)
+        self.register(conftestmodule, name=name)
 
     def consider_env(self) -> None:
         """:meta private:"""

testing/acceptance_test.py

@@ -1416,27 +1416,29 @@ def test_issue_9765(pytester: Pytester) -> None:
 
     my_plugin_content = textwrap.dedent(
         """
-    def pytest_configure(config):
+        import pytest
+
+        def pytest_configure(config):
 
-        class SimplePlugin:
-            @pytest.fixture(params=[1, 2, 3])
-            def my_fixture(self, request):
-                yield request.param
+            class SimplePlugin:
+                @pytest.fixture(params=[1, 2, 3])
+                def my_fixture(self, request):
+                    yield request.param
 
-        config.pluginmanager.register(SimplePlugin())
+            config.pluginmanager.register(SimplePlugin())
     """
     )
     pytester.makepyfile(
         **{
             "setup.py": setup_py_content,
-            "pyproject.toml": pyproject_toml_content,
             "my_package/__init__.py": "",
             "my_package/conftest.py": "",
             "my_package/test_foo.py": "def test(): pass",
             "my_package/plugin/__init__.py": "",
-            "mypackage/plugin/my_plugin.py": my_plugin_content,
+            "my_package/plugin/my_plugin.py": my_plugin_content,
         }
     )
+    pytester.makefile(**{"pyproject": pyproject_toml_content}, ext=".toml")
 
     pytester.chdir()
     subprocess.check_output([sys.executable, "setup.py", "develop"])

testing/test_conftest.py

@@ -212,7 +212,8 @@ def test_setinitial_conftest_subdirs(pytester: Pytester, name: str) -> None:
     subconftest.touch()
     pm = PytestPluginManager()
     conftest_setinitial(pm, [sub.parent], confcutdir=pytester.path)
-    key = os.path.normcase(subconftest.resolve())
+    # key = os.path.normcase(subconftest.resolve())
+    key = str(subconftest.resolve())
     if name not in ("whatever", ".dotdir"):
         assert pm.has_plugin(key)
         assert len(set(pm.get_plugins()) - {pm}) == 1