Add example script and failure for #3742

testing/example_scripts/fixtures/custom_item/conftest.py

@@ -0,0 +1,10 @@
+import pytest
+
+
+class CustomItem(pytest.Item, pytest.File):
+    def runtest(self):
+        pass
+
+
+def pytest_collect_file(path, parent):
+    return CustomItem(path, parent)

testing/example_scripts/fixtures/custom_item/foo/test_foo.py

@@ -0,0 +1,2 @@
+def test():
+    pass

testing/python/fixture.py

@@ -1619,6 +1619,11 @@ class TestFixtureManagerParseFactories(object):
         reprec = testdir.inline_run()
         reprec.assertoutcome(passed=2)
 
+    def test_collect_custom_items(self, testdir):
+        testdir.copy_example("fixtures/custom_item")
+        result = testdir.runpytest("foo")
+        result.stdout.fnmatch_lines("*passed*")
+
 
 class TestAutouseDiscovery(object):
     @pytest.fixture