test: add remove_files tests

[athith-g]

Adds tests for remove_files

Summary by Sourcery

This pull request introduces new tests for the remove_files function, ensuring its correct behavior in various scenarios including handling empty directories and non-existent directories.

• Tests:
  • Added tests for the remove_files function to ensure files in a directory are removed successfully.
  • Included tests to verify no errors are raised when an empty directory is passed to remove_files.
  • Added a test to check that a ValueError is raised when a non-existent directory is passed to remove_files.

[sourcery-ai]

Reviewer's Guide by Sourcery

This pull request adds tests for the remove_files function in the decryption module. The changes include adding a new pytest fixture for creating temporary files, removing a duplicate fixture definition, and adding a new test class TestRemoveFiles with tests for various scenarios such as removing files, handling empty directories, and non-existent directories.

File-Level Changes

Files	Changes
tests/decryption/test_decrypt.py	Added tests for the remove_files function, including setup for temporary files, and removed duplicate fixture definition.

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[sourcery-ai]

Hey @athith-g - I've reviewed your changes and they look great!

Here's what I looked at during the review

• 🟢 General issues: all looks good
• 🟢 Security: all looks good
• 🟡 Testing: 2 issues found
• 🟢 Complexity: all looks good
• 🟢 Documentation: all looks good

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[jvkersch]

LGTM, just one small comment.

[uniqueg]

Tests are great, but please address the single comment 🙏