[7.x](backport #1680) Test preconfigured agent policies and output

[mergify]

This is an automatic backport of pull request #1680 done by Mergify.

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[elasticmachine]

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• Start Time: 2021-10-26T09:46:10.544+0000

• Duration: 43 min 33 sec

• Commit: 6155469

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Test	Results
Failed	0
Passed	238
Skipped	0
Total	238

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[nchaulet]

@Mergifyio update

[mergify]

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