Add missing waits in graph tests

Author: julianmi

sycl/test/graph/graph-explicit-repeated-exec.cpp

@@ -36,13 +36,17 @@ int main() {
     assert(arr[i] == 0);
   }
 
-  q.submit([&](sycl::handler &h) { h.ext_oneapi_graph(executable_graph); });
+  q.submit([&](sycl::handler &h) {
+     h.ext_oneapi_graph(executable_graph);
+   }).wait();
 
   for (int i = 0; i < n; i++) {
     assert(arr[i] == 1);
   }
 
-  q.submit([&](sycl::handler &h) { h.ext_oneapi_graph(executable_graph); });
+  q.submit([&](sycl::handler &h) {
+     h.ext_oneapi_graph(executable_graph);
+   }).wait();
 
   for (int i = 0; i < n; i++)
     assert(arr[i] == 2);

sycl/test/graph/graph-explicit-single-node.cpp

@@ -37,7 +37,9 @@ int main() {
     assert(arr[i] == 0);
   }
 
-  q.submit([&](sycl::handler &h) { h.ext_oneapi_graph(executable_graph); });
+  q.submit([&](sycl::handler &h) {
+     h.ext_oneapi_graph(executable_graph);
+   }).wait();
 
   for (int i = 0; i < n; i++)
     assert(arr[i] == 1);

sycl/test/graph/graph-record-dotp-buffer.cpp

@@ -102,7 +102,7 @@ int main() {
 
     auto exec_graph = g.finalize(q.get_context());
 
-    q.submit([&](sycl::handler &h) { h.ext_oneapi_graph(exec_graph); });
+    q.submit([&](sycl::handler &h) { h.ext_oneapi_graph(exec_graph); }).wait();
   }
 
   assert(dotpData == host_gold_result());

sycl/test/graph/graph-record-dotp.cpp

@@ -86,7 +86,7 @@ int main() {
 
   auto exec_graph = g.finalize(q.get_context());
 
-  q.submit([&](sycl::handler &h) { h.ext_oneapi_graph(exec_graph); });
+  q.submit([&](sycl::handler &h) { h.ext_oneapi_graph(exec_graph); }).wait();
 
   assert(dotp[0] == host_gold_result());
 

sycl/test/graph/graph-record-simple.cpp

@@ -33,7 +33,7 @@ int main() {
 
   auto exec_graph = g.finalize(q.get_context());
 
-  q.submit([&](sycl::handler &h) { h.ext_oneapi_graph(exec_graph); });
+  q.submit([&](sycl::handler &h) { h.ext_oneapi_graph(exec_graph); }).wait();
 
   // Verify results
   for (size_t i = 0; i < n; i++) {

sycl/test/graph/graph-record-temp-scope.cpp

@@ -36,7 +36,7 @@ int main() {
 
   auto exec_graph = g.finalize(q.get_context());
 
-  q.submit([&](sycl::handler &h) { h.ext_oneapi_graph(exec_graph); });
+  q.submit([&](sycl::handler &h) { h.ext_oneapi_graph(exec_graph); }).wait();
 
   // Verify results
   for (size_t i = 0; i < n; i++) {