#393: need to return NotSupported to ensure correct arithmetic operator behavior

Check to see if the normal overload order (first defined) and prepend overload order works

#392/397: overriding reference-returning functions

#511: problem with inheritance + overwritten def_static

An object with a private `operator new` cannot be returned by value

When returning an rvalue, the return value policy is automatically changed from `reference(_internal)` to `move`. The following would not work oth

Test that py::cast works during interpreter shutdown. See PR #5972 and https://github.com/pybind/pybind11/pull/5958#discussion_r2717645230.

Pydoc needs to be able to provide help() for everything inside a pybind11 module

Test if python builtins like sum() can be used as callbacks

Tests extending a Python class from a single inheritor of a MI class

Make sure that cast from pytype rvalue to other pytype works

Tests that a properly qualified name is set in __qualname__ and that generated docstrings properly use it and the module name

When the constructor is overloaded, previous overloads can require a preallocated value. This test makes sure that such preallocated values only h

Tests that stl casters preserve lvalue/rvalue context for container values

#3357: Recursive dispatch fails to find python function override