(debug): Adding debug information for test runner and optimization

[eytan-starkware]

TL;DR

Add tracing helper macros and tracing to the lowering optimizations module to help with debugging.

[reviewable-StarkWare]

This change is 

[eytan-starkware]

• (debug): Adding debug information for test runner and optimization #8817 👈 (View in Graphite)
• main

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[ilyalesokhin-starkware]

crates/cairo-lang-test-utils/src/parse_test_file.rs line 105 at r1 (raw file):

        let mut tag_strings = vec![TAG_PREFIX.to_string() + &test_name];
        for (tag, content) in test.attributes {
            if tag != "test_name" {

how is this related to the logging?

Code quote:

if tag != "test_name"

[ilyalesokhin-starkware]

@ilyalesokhin-starkware reviewed 1 of 5 files at r1.
Reviewable status: 1 of 5 files reviewed, 2 unresolved discussions (waiting on @eytan-starkware, @orizi, and @TomerStarkware)

---

crates/cairo-lang-test-utils/src/parse_test_file.rs line 104 at r1 (raw file):

    for (test_name, test) in tests {
        let mut tag_strings = vec![TAG_PREFIX.to_string() + &test_name];
        for (tag, content) in test.attributes {

were the attributes empty before?

Code quote:

test.attributes

[orizi]

@orizi reviewed 2 of 5 files at r1, all commit messages.
Reviewable status: 2 of 5 files reviewed, 3 unresolved discussions (waiting on @eytan-starkware and @TomerStarkware)

---

crates/cairo-lang-lowering/Cargo.toml line 34 at r1 (raw file):

[dev-dependencies]

Suggestion:

tracing = { workspace = true, features = ["log"] }

[dev-dependencies]