[trellix_edr_cloud] Add aws-s3 system tests and add missing fields

[bhapas]

Proposed commit message

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Checklist

• I have reviewed tips for building integrations and this pull request is aligned with them.
• I have verified that all data streams collect metrics or logs.
• I have added an entry to my package's changelog.yml file.
• I have verified that Kibana version constraints are current according to guidelines.

Related issues

• Relates [Meta][aws-s3] Add system tests for integrations that use aws-s3 input #7034

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• Start Time: 2023-11-03T08:17:51.387+0000

• Duration: 18 min 51 sec

Test stats 🧪

Test	Results
Failed	0
Passed	6
Skipped	0
Total	6

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🌐 Coverage report

Name	Metrics % (covered/total)	Diff
Packages	100.0% (1/1)	💚
Files	100.0% (1/1)	💚
Classes	100.0% (1/1)	💚
Methods	100.0% (13/13)	💚
Lines	92.704% (864/932)	👍 1.608
Conditionals	100.0% (0/0)	💚

[elasticmachine]

Package trellix_edr_cloud - 0.5.1 containing this change is available at https://epr.elastic.co/search?package=trellix_edr_cloud