Revert to having just "runtest" as "when" parameter of the pytest_warning_captured hook

src/_pytest/hookspec.py

@@ -559,13 +559,10 @@ def pytest_warning_captured(warning_message, when, item):
 
         * ``"config"``: during pytest configuration/initialization stage.
         * ``"collect"``: during test collection.
-        * ``"setup"``: during test setup.
-        * ``"call"``: during test call.
-        * ``"teardown"``: during test teardown.
+        * ``"runtest"``: during test execution.
 
     :param pytest.Item|None item:
-        The item being executed if ``when`` is ``"setup"``, ``"call"`` or ``"teardown"``, otherwise
-        ``None``.
+        The item being executed if ``when`` is ``"runtest"``, otherwise ``None``.
     """
 
 

src/_pytest/warnings.py

@@ -130,25 +130,9 @@ def warning_record_to_str(warning_message):
 
 
 @pytest.hookimpl(hookwrapper=True, tryfirst=True)
-def pytest_runtest_setup(item):
+def pytest_runtest_protocol(item):
     with catch_warnings_for_item(
-        config=item.config, ihook=item.ihook, when="setup", item=item
-    ):
-        yield
-
-
-@pytest.hookimpl(hookwrapper=True, tryfirst=True)
-def pytest_runtest_call(item):
-    with catch_warnings_for_item(
-        config=item.config, ihook=item.ihook, when="call", item=item
-    ):
-        yield
-
-
-@pytest.hookimpl(hookwrapper=True, tryfirst=True)
-def pytest_runtest_teardown(item):
-    with catch_warnings_for_item(
-        config=item.config, ihook=item.ihook, when="teardown", item=item
+        config=item.config, ihook=item.ihook, when="runtest", item=item
     ):
         yield
 

testing/test_warnings.py

@@ -341,9 +341,9 @@ def test_warning_captured_hook(testdir):
     expected = [
         ("config warning", "config", ""),
         ("collect warning", "collect", ""),
-        ("setup warning", "setup", "test_func"),
-        ("call warning", "call", "test_func"),
-        ("teardown warning", "teardown", "test_func"),
+        ("setup warning", "runtest", "test_func"),
+        ("call warning", "runtest", "test_func"),
+        ("teardown warning", "runtest", "test_func"),
     ]
     assert collected == expected