SyncTimerTest | Used Junit 5 assertions to keep it consistent

[SampathKumarAmex]

Description

Used JUnit 5 assertions in the test to keep it consistent with @Test annotation (JUnit 5)

Motivation and Context

Used JUnit 5 assertions in the test to keep it consistent with @Test annotation (JUnit 5)

How Has This Been Tested?

n/a - Build file change

Screenshots (if appropriate):

n/a

Types of changes

• Bug fix (non-breaking change which fixes an issue)

Checklist:

• [X] My code follows the code style of this project.
• [ ] I have updated the documentation accordingly.