test(git): add a test for handling blank with path in git commit

[Cliying94]

related: #572

Description

add-a-test-for-handling-blank-with-path-in-git-commit

• mock action: Whether the path includes blank or not, the git commit action can parse anyway and correctly execute commit under commitizen/commitizen/git.py and go through the util function create_file_and_commit

Checklist

• [x] Add test cases to all the changes you introduce
• [x] Run ./scripts/format and ./scripts/test locally to ensure this change passes linter check and test
• [x] Test the changes on the local machine manually
• [ ] Update the documentation for the changes

Expected behavior

if the project path is including blank, the program should work.

Steps to Test This Pull Request

run ./scripts/test or run the single text test_git_commit_command_with_varied_paths_handles_blank under tests/test_git.py

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 97.48%. Comparing base (120d514) to head (ef51f24). Report is 254 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #1044      +/-   ##
==========================================
+ Coverage   97.33%   97.48%   +0.15%     
==========================================
  Files          42       55      +13     
  Lines        2104     2429     +325     
==========================================
+ Hits         2048     2368     +320     
- Misses         56       61       +5     

Flag	Coverage Δ
unittests	97.48% <ø> (+0.15%)	:arrow_up:

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