test: add move_files test

[athith-g]

Adds tests for move_files.

Summary by Sourcery

This pull request introduces a new set of tests for the move_files function, ensuring its correct behavior under various scenarios including empty lists, unique files, duplicate file names, and non-existent directories.

• Tests:
  • Added a new test class TestMoveFiles to verify the functionality of the move_files function.
  • Included tests for moving files with an empty list, moving unique files, handling duplicate file names, and dealing with non-existent directories.

[sourcery-ai]

Reviewer's Guide by Sourcery

This pull request adds a comprehensive test suite for the move_files function in the decryption module. The changes include importing the move_files function, creating a new TestMoveFiles class, and adding multiple test cases to ensure the function handles various scenarios correctly, such as moving files, handling empty lists, duplicate file names, and non-existent directories.

File-Level Changes

Files	Changes
tests/decryption/test_decrypt.py	Introduced a new test suite for the move_files function, including various test cases to validate its behavior under different conditions.

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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: 4 issues found
• 🟢 Complexity: all looks good
• 🟢 Documentation: all looks good

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[uniqueg]

Looks good to me, minus this one very minor comment.