SWDEV-485763 - Fix memory leaks in various unit tests

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

catch/unit/graph/hipGraphPerf.cc

@@ -386,6 +386,8 @@ static void checkGraphEventcontinuousKernelCall(const unsigned int kNumNode) {
   HipTest::checkVectorADD(A_h, B_h, C_h, N);
 
   HipTest::freeArrays(A_d, B_d, C_d, A_h, B_h, C_h, false);
+  HIP_CHECK(hipEventDestroy(eventstart));
+  HIP_CHECK(hipEventDestroy(eventend));
   HIP_CHECK(hipGraphExecDestroy(graphExec));
   HIP_CHECK(hipGraphDestroy(graph));
   HIP_CHECK(hipStreamDestroy(stream));
@@ -483,6 +485,9 @@ static void checkGraphEventcontinuousKernelCallIn2Blocks(
   HipTest::checkVectorSUB(A_h, B_h, C_h, N);
 
   HipTest::freeArrays(A_d, B_d, C_d, A_h, B_h, C_h, false);
+  HIP_CHECK(hipEventDestroy(eventstart));
+  HIP_CHECK(hipEventDestroy(eventmid));
+  HIP_CHECK(hipEventDestroy(eventend));
   HIP_CHECK(hipGraphExecDestroy(graphExec));
   HIP_CHECK(hipGraphDestroy(graph));
   HIP_CHECK(hipStreamDestroy(stream));
@@ -582,6 +587,7 @@ static void hipGraph_PerfCheck_hipGraphExecKernelNodeSetParams(
   HIP_CHECK(hipGraphInstantiate(&graphExec, graph, NULL, NULL, 0));
   HIP_CHECK(hipGraphLaunch(graphExec, stream));
   HIP_CHECK(hipStreamSynchronize(stream));
+  HIP_CHECK(hipGraphExecDestroy(graphExec));
 
   // Verify graph execution result
   HipTest::checkVectorADD<int>(A_h, B_h, C_h, N);
@@ -2519,7 +2525,7 @@ static void hipGraph_PerfCheck_hipGraphExecUpdate(const hipStream_t& stream) {
  * ------------------------
  *  - Validate hipGraph performance with doorbell set.
  *  - DEBUG_CLR_GRAPH_PACKET_CAPTURE
- *  1) Added 2 nodes of MemCpy & a Kernel node and copy back result using memcpy 
+ *  1) Added 2 nodes of MemCpy & a Kernel node and copy back result using memcpy
        and Instantiate graph & update new graph with similar node structure with
        api hipGraphExecUpdate and verify the result, the updated node should reflect.
     i)   Check with Multi device case.
@@ -2667,7 +2673,7 @@ static void hipGraph_PerfCheck_hipGraphExecUpdate_kernel_inLoop(
  * ------------------------
  *  - Validate hipGraph performance with doorbell set.
  *  - DEBUG_CLR_GRAPH_PACKET_CAPTURE
- *  1) Added 2 nodes of MemCpy & a Kernel node in sequence and copy back result using memcpy 
+ *  1) Added 2 nodes of MemCpy & a Kernel node in sequence and copy back result using memcpy
        and Instantiate graph & update new graph with similar node structure with
        api hipGraphExecUpdate and verify the result, the updated node should reflect.
     i)   Check with Multi device case.