fix: generate a jUnit file per test suite (#907) backport for 7.11.x

[mdelapenya]

Backports the following commits to 7.11.x:

• fix: generate a jUnit file per test suite (fix: generate a jUnit file per test suite #907)

[elasticmachine]

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• Build Cause: Pull request #910 opened

• Start Time: 2021-03-17T10:40:34.692+0000

• Duration: 32 min 57 sec

• Commit: 7966e7a

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Test	Results
Failed	0
Passed	137
Skipped	0
Total	137

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Test stats 🧪

Test	Results
Failed	0
Passed	137
Skipped	0
Total	137