dumpcoverage for each IT

[penghuo]

Issue #, if available: N/A

Description of changes:

• Dump the Jacoco report throught JMX, the solution refer the existing Alerting solution. https://github.com/opendistro-for-elasticsearch/alerting/blob/1bb2698d811e8d91bc2205c32f278dbe595a3a35/alerting/src/test/kotlin/com/amazon/opendistroforelasticsearch/alerting/AlertingRestTestCase.kt#L761

By submitting this pull request, I confirm that you can use, modify, copy, and redistribute this contribution, under the terms of your choice.

[codecov]

Codecov Report

Merging #296 (9814eff) into dev (45abee7) will increase coverage by 2.72%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##              dev     #296      +/-   ##
==========================================
+ Coverage   74.94%   77.67%   +2.72%     
==========================================
  Files          32       32              
  Lines        1764     1805      +41     
  Branches      342      356      +14     
==========================================
+ Hits         1322     1402      +80     
+ Misses        437      398      -39     
  Partials        5        5              

Impacted Files	Coverage Δ
kibana-reports/server/utils/validationHelper.ts	89.18% <0.00%> (-10.82%)	⬇️
kibana-reports/public/components/main/main.tsx	59.59% <0.00%> (ø)
.../components/main/report_details/report_details.tsx	76.08% <0.00%> (ø)
...rts/server/routes/utils/savedSearchReportHelper.ts	98.78% <0.00%> (+0.03%)	⬆️
...a-reports/server/routes/utils/dataReportHelpers.ts	59.43% <0.00%> (+0.78%)	⬆️
...bana-reports/public/components/main/main_utils.tsx	76.53% <0.00%> (+3.61%)	⬆️
...itions/report_settings/report_settings_helpers.tsx	100.00% <0.00%> (+6.34%)	⬆️
kibana-reports/public/components/utils/utils.tsx	75.00% <0.00%> (+8.33%)	⬆️
...rt_definitions/report_settings/report_settings.tsx	89.32% <0.00%> (+14.73%)	⬆️

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 45abee7...9814eff. Read the comment docs.

[zhongnansu]

Does codecov pick this jacoco report automatically? From the codecov comment of this PR, why the coverage increases significantly?

[akbhatta]

Not sure if the test coverage is getting merged.