Update Java versions and fix test failures

[gabilang]

Purpose

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Goals

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Approach

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User stories

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Release note

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Documentation

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Training

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Certification

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Marketing

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Automation tests

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• Integration tests

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Security checks

• Followed secure coding standards in http://wso2.com/technical-reports/wso2-secure-engineering-guidelines? yes/no
• Ran FindSecurityBugs plugin and verified report? yes/no
• Confirmed that this PR doesn't commit any keys, passwords, tokens, usernames, or other secrets? yes/no

Samples

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Related PRs

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Migrations (if applicable)

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Test environment

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Learning

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[codecov]

Codecov Report

❗ No coverage uploaded for pull request base (java_17_migration@de15570). Click here to learn what that means.
Patch has no changes to coverable lines.

Additional details and impacted files

@@                 Coverage Diff                  @@
##             java_17_migration    #1009   +/-   ##
====================================================
  Coverage                     ?   71.12%           
  Complexity                   ?      101           
====================================================
  Files                        ?        7           
  Lines                        ?      478           
  Branches                     ?       77           
====================================================
  Hits                         ?      340           
  Misses                       ?       85           
  Partials                     ?       53           

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