Custom `assert_*!` macros for `eq_op` (and possibly others)

Description

In Linux, we use custom assert*! macros for KUnit tests. The eq_op lint only triggers for the standard ones, so e.g. the following doesn't lint:

fn f() {
    macro_rules! assert_eq {
        ($l:expr, $r:expr) => {}
    }

    assert_eq!(1 + 1, 2);
}

https://godbolt.org/z/W99Wsvs4r

Could a list of custom macros for assert*! ones be configured (similar to the lists for e.g. disallowed_macros) so that lints know they should apply to those too? Or, even better, could there be an attribute that users could apply to their macros.

This is similar to https://github.com/rust-lang/rust-clippy/issues/11303, in the sense that it is another case of linting not applying with custom versions of standard macros.

Not sure if this should be considered a false negative for eq_op or others, since it may be designed on purpose to only lint on the standard ones.

Version

rustc 1.87.0 (17067e9ac 2025-05-09)

Additional Labels

No response

Start by reproducing the custom assert_eq! example from the issue and inspect how the eq_op lint recognizes standard assertion macros. Compare that path with the existing disallowed_macros configuration, then determine whether custom assertion names or a macro attribute should be supported; done means the custom macro is linted as intended.