Fix memory leaks by adding missing destroy calls for
events, streams, and graphs at the end of tests.
Ensure that every test case executes destroy calls,
regardless of whether it passes or fails.
Change-Id: I814e35c528d90ed2abb34d77377f1a7fd3f1f11c
[ROCm/hip-tests commit: 9cffda4ebb]
Added Negative, functional and multithreaded tests for hipGraphClone API
Change-Id: I0733b469c1f1f0e897ed70c49b6ad3756a35f1b5
[ROCm/hip-tests commit: d564bb34f9]