add test for clear() method

[rghouzra]

Description

this pr adds a comprehensive test for the clear() method of the ChunkContainer class

• Correct size reset after clearing
• Ability to reuse the container after clearing
• Consistent behavior across different container states

[coveralls]

Pull Request Test Coverage Report for Build 12176216316

Details

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage increased (+0.04%) to 98.997%

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Totals
Change from base Build 12099899696:	0.04%
Covered Lines:	2764
Relevant Lines:	2792

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💛 - Coveralls

[github-actions]

Test Results

0 files   -     29  0 suites   - 29   0s ⏱️ - 9m 26s
0 tests  -  1 359  0 ✅  -  1 359  0 💤 ±0  0 ❌ ±0 
0 runs   - 39 279  0 ✅  - 39 279  0 💤 ±0  0 ❌ ±0 

Results for commit 973a7f3. ± Comparison against base commit 5fedca2.