SWDEV-337331 - Windows initial graph tests (#2739)

Enables most of graph tests on Windows.

Change-Id: I32bd9a327168378776f89d7a6c4a83ba33861c01

tests/catch/unit/graph/hipGraphAddMemcpyNodeFromSymbol.cc

@@ -273,6 +273,7 @@ void hipGraphAddMemcpyNodeFromSymbol_GlobalMemory(bool device_ctxchg = false,
   // Instantiate and launch the graph
   HIP_CHECK(hipGraphInstantiate(&graphExec, graph, nullptr, nullptr, 0));
   HIP_CHECK(hipGraphLaunch(graphExec, 0));
+  HIP_CHECK(hipStreamSynchronize(0));
 
   // Validating the result
   for (int i = 0; i < SIZE; i++) {
@@ -419,6 +420,7 @@ TEST_CASE("Unit_hipGraphAddMemcpyNodeFromSymbol_GlobalMemoryWithKernel") {
   // Instantiate and launch the graph
   HIP_CHECK(hipGraphInstantiate(&graphExec, graph, nullptr, nullptr, 0));
   HIP_CHECK(hipGraphLaunch(graphExec, 0));
+  HIP_CHECK(hipStreamSynchronize(0));
 
   // Validating the result
   for (int i = 0; i < SIZE; i++) {