test(template): add tests

[R11baka]

Description

Add some tests for template

[orhun]

Hey, thanks for the PR! There seems to be a test failure:

 ---- template::test::render_template stdout ----
thread 'template::test::render_template' panicked at git-cliff-core/src/template.rs:233:9:
assertion `left == right` failed
  left: "\n\t\t## 1.0 - 2023\n\n\t\t### feat\n\t\t- Add xyz\n\n\t\t### fix\n\t\t- Fix abc\n\t\t"
 right: "\n\t\t## 1.0 - 2023\n\t\t\n\t\t### feat\n\t\t- Add xyz\n\t\t\n\t\t### fix\n\t\t- Fix abc\n\t\t"
note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace

[R11baka]

Thanks.! Will see whats wrong

[orhun]

Can you also run cargo fmt and commit the result? 😇

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 36.89%. Comparing base (e270235) to head (eb23a4c).

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Additional details and impacted files

@@            Coverage Diff             @@
##             main     #674      +/-   ##
==========================================
- Coverage   36.97%   36.89%   -0.07%     
==========================================
  Files          18       18              
  Lines        1350     1350              
==========================================
- Hits          499      498       -1     
- Misses        851      852       +1     

Flag	Coverage Δ
unit-tests	36.89% <ø> (-0.07%)	⬇️

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[R11baka]

Yep. Seems fixed

[orhun]

Perfect, thanks a lot!