[tests] Re-Enable Unit Tests

[ppenna]

Description

The following unit tests were intentionally disabled, due to unknown issues.

We should track and fix related bugs and then re-enable these tests.

All Targets

• [ ] Thread Sleep/Wakeup Stress
• [ ] Thread Bad Start
• [ ] Thread Bad Argument
• [ ] Thread Bad Join
• [x] Thread Stress

Unix 64-bit

• [ ] Performance Interface
• [ ] Signal Interface