Missing list of executed suites

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#### I'm submitting a ...
- [x] bug report
- [ ] feature request
- [ ] support request => Please do not submit support request here, see note at the top of this template.

#### What is the current behavior?
Missing of executed tests in `SIUTES` on Overview page. Suites subtitles show correctly number of items, but missing list of executed suites.

#### If the current behavior is a bug, please provide the steps to reproduce and if possible a minimal demo of the problem
1) Run tests
2) Generate report

#### What is the expected behavior?
list of executed suites are displayed

#### Please tell us about your environment:

| Allure version | 2.12.1 |
| --- | --- |
| Test framework | behave@1.2.7 |
|Allure adaptor |allure-behave@2.6.4 |
| |allure-python-commons@2.6.4 |

#### Other information

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Riproduci il report con behave@1.2.7, allure-behave@2.6.4 e allure-python-commons@2.6.4 eseguendo i test e generando un report Allure. Confronta la pagina Overview con i conteggi nei sottotitoli delle suite; l'attività è completata quando viene visualizzato l'elenco delle suite eseguite.

Scritto dal modello di indicizzazione a partire dal testo della issue.