ISSUE-3790: Remove unnecessary public modifiers in tests

[restnek]

Describe your changes :

Fix sonar issues
Remove public modifiers from test classes and methods where it's possible

Type of change :

• Bug fix

Checklist:

• I have read the CONTRIBUTING document.
• I have commented on my code, particularly in hard-to-understand areas.
• I have added tests that prove my fix is effective or that my feature works.
• All new and existing tests passed.

Reviewers

@sureshms
@open-metadata/backend

[sonarqubecloud]

[open-metadata-ingestion] Kudos, SonarCloud Quality Gate passed!   

0 Bugs
0 Vulnerabilities
0 Security Hotspots
0 Code Smells

No Coverage information
No Duplication information

[cypress]

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Test summary

47 • 0 • 3 • 0

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Run details

Project	openmetadata
Status	Passed
Commit	eff879c
Started	Jul 20, 2022 9:15 AM
Ended	Jul 20, 2022 9:28 AM
Duration	12:39 💡
OS	Linux Ubuntu - 20.04
Browser	Chrome 103

View run in Cypress Dashboard ➡️

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[sonarqubecloud]

[OpenMetadata-catalog] Kudos, SonarCloud Quality Gate passed!   

0 Bugs
0 Vulnerabilities
0 Security Hotspots
10 Code Smells

78.8% Coverage
0.7% Duplication

[sureshms]

@restnek thank you for the contribution. First of many to come ❤️ :)