chore: migrate java tests

[JoeWang1127]

[snippet-bot[bot]]

Here is the summary of possible violations 😱

There are 3 possible violations for not having product prefix.

• library_generation/test/resources/test-owlbot/testdata/synth-with-flag.py:38, tag fix-dead-link
• library_generation/test/resources/test-owlbot/testdata/synth-with-syntax-error-py:38, tag fix-dead-link
• library_generation/test/resources/test-owlbot/testdata/synth.py:36, tag fix-dead-link

There are format violations for 3 region tags.

• library_generation/test/resources/test-owlbot/testdata/synth-with-flag.py:38, tag fix-dead-link
• library_generation/test/resources/test-owlbot/testdata/synth-with-syntax-error-py:38, tag fix-dead-link
• library_generation/test/resources/test-owlbot/testdata/synth.py:36, tag fix-dead-link

The end of the violation section. All the stuff below is FYI purposes only.

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Here is the summary of changes.

You are about to add 3 region tags.

• library_generation/test/resources/test-owlbot/testdata/synth-with-flag.py:38, tag fix-dead-link
• library_generation/test/resources/test-owlbot/testdata/synth-with-syntax-error-py:38, tag fix-dead-link
• library_generation/test/resources/test-owlbot/testdata/synth.py:36, tag fix-dead-link

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[sonarqubecloud[bot]]

Quality Gate passed for 'gapic-generator-java-root'

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarCloud

[sonarqubecloud[bot]]

Quality Gate passed for 'java_showcase_integration_tests'

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarCloud