Fix handling of test_case with custom name

[tamird]

See individual commits.

Still missing is guidance on how to write #[test_case(...)] tests with multiple cases. For example

#[test_log::test(test_case::test_case(-2, -4; "one"))]
#[test_log::test(test_case::test_case(-4, -2; "two"))]
fn it_works(x: i8, y: i8) {
  // ...
}

doesn't work.

I think the approach of wrapping other test macros such as tokio::test and test_case::test_case in the
test_log::test macro ends up being inflexible for such cases and it's probably better to abandon it in favor of
parsing other attributes on the test function and inserting #[test] only if nothing else has already done it. This
would mean that ordering of attributes would start to matter but this is already the case when test_case::test_case is
composed with tokio::test; test_case has to come first or else compilation fails with "functions used as tests can
not have any arguments".

[tamird]

@d-e-s-o would you mind having a look at this?

[d-e-s-o]

@d-e-s-o would you mind having a look at this?

Sorry for the delay. Seems like a good set of simplifications. Can you please remove the various formatting changes, though?

Regarding the second to last commit, can we remove tracing from the dependency list in the README now?

[d-e-s-o]

I think the approach of wrapping other test macros such as tokio::test and test_case::test_case in the
test_log::test macro ends up being inflexible for such cases and it's probably better to abandon it in favor of
parsing other attributes on the test function and inserting #[test] only if nothing else has already done it. This
would mean that ordering of attributes would start to matter but this is already the case when test_case::test_case is
composed with tokio::test; test_case has to come first or else compilation fails with "functions used as tests can
not have any arguments".

Hm, but that isn't what is being done, or am I misreading something?

[d-e-s-o]

Can you please remove the various formatting changes, though?

Or for the actual code reuse one of my other rustfmt files. But please keep toml.

[tamird]

Can you please remove the various formatting changes, though?

Or for the actual code reuse one of my other rustfmt files. But please keep toml.

Done.

Regarding the second to last commit, can we remove tracing from the dependency list in the README now?

Done.

Hm, but that isn't what is being done, or am I misreading something?

Correct, that is not what's being done. That's a separate commentary. Changing that would break existing users, so I didn't do it here.

[d-e-s-o]

Sorry, running behind on this request. Will try to merge this by the end of the week.

[d-e-s-o]

I added CHANGELOG entries and merged the changes with a few minor modifications. Thanks for taking the time to contribute to the project!