* SWDEV-385161 - Deprecate usage of env vars in HIP samples and tests env vars such as HIP_PATH, ROCM_PATH, HIP_COMPILER, HIP_RUNTIME, HSA_PATH etc are removed.
Change-Id: I280e20b291cfb14675846aae72d97fa5b3ad567d
Implement tests for hipStreamUpdateCaptureDependencies, hipThreadExchangeStreamCaptureMode and hipLaunchHostFunc
- Refactor existing tests by including more catch2 features
- Reduce code line numbers by using helper guard classes
- Add some positive and negative tests
- Add doxygen test descriptions