[java] Close resources in tests

[pujagani]

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Description

Close resources in tests

Motivation and Context

Medium tests were facing an issue in running. Ensuring resources are cleaned up properly to see if that helps.

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)

Checklist

• I have read the contributing document.
• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have added tests to cover my changes.
• All new and existing tests passed.

[codecov-commenter]

Codecov Report

Base: 54.66% // Head: 54.66% // No change to project coverage 👍

Coverage data is based on head (37e9f3e) compared to base (74a85d8).
Patch has no changes to coverable lines.

Additional details and impacted files

@@           Coverage Diff           @@
##            trunk   #11557   +/-   ##
=======================================
  Coverage   54.66%   54.66%           
=======================================
  Files          85       85           
  Lines        5643     5643           
  Branches      243      243           
=======================================
  Hits         3085     3085           
  Misses       2315     2315           
  Partials      243      243           

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