[FEATURE REQ] Enable JDBC MySQL passwordless IT in test pipeline

**Is your feature request related to a problem? Please describe.**
Reopen the MySQL passwordless IT since the Azure Database for MySQL flexible servers still cannot be provisioned successfully, just skip to run it. See more from https://github.com/Azure/azure-sdk-for-java/issues/40897.

**Describe the solution you'd like**
Run in tests pipeline.

**Describe alternatives you've considered**
N/A

**Additional context**
N/A

**Information Checklist**
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- [x] Description Added
- [x] Expected solution specified