Feature/add junits

[tanmaya-panda1]

This pull request adds comprehensive unit tests for key components in the ingest-v2 module, focusing on batch operation results, retry policy logic, and managed streaming policy behavior. Additionally, it includes a minor parameter ordering fix for the FileSource constructor to improve consistency.

New and Improved Unit Tests:

• Added unit tests for the BatchOperationResult interface and its implementations, including UploadResults, covering scenarios for successes, failures, and total count calculations (BatchOperationResultTest.kt).
• Introduced tests for retry policy classes, verifying the behavior of NoRetryPolicy, SimpleRetryPolicy, CustomRetryPolicy, and the Retry data class (RetryPolicyTest.kt).
• Provided thorough tests for managed streaming policy classes, covering error categories, request success/failure details, and the logic in DefaultManagedStreamingPolicy (including error tracking and retry policy creation) (ManagedStreamingPolicyTest.kt).

Code Quality Improvements:

• Standardized the constructor parameter order for FileSource to have compressionType before sourceId, and updated usage in related tests for consistency (FileSource.kt, ManagedStreamingIngestClientJavaTest.java, QueuedIngestClientJavaTest.java). [1] [2] [3]### Added

Changed

Fixed

[github-actions]

Test Results

530 tests  ±0   521 ✅ ±0   3m 7s ⏱️ -13s
 31 suites ±0     9 💤 ±0 
 31 files   ±0     0 ❌ ±0 

Results for commit 791bbce. ± Comparison against base commit bca955e.

♻️ This comment has been updated with latest results.