[SYCL] Add test for stream property list (intel#549)

Author: steffenlarsen

SYCL/Basic/stream/stream.cpp

@@ -24,12 +24,19 @@ int main() {
   {
     default_selector Selector;
     queue Queue(Selector);
+    context Context = Queue.get_context();
 
     // Check constructor and getters
     Queue.submit([&](handler &CGH) {
-      stream Out(1024, 80, CGH);
+      stream Out(1024, 80, CGH,
+                 property_list{property::buffer::context_bound{Context}});
       assert(Out.get_size() == 1024);
       assert(Out.get_max_statement_size() == 80);
+      assert(Out.has_property<property::buffer::context_bound>());
+      assert(!Out.has_property<property::queue::in_order>());
+      assert(
+          Out.get_property<property::buffer::context_bound>().get_context() ==
+          Context);
 
       CGH.single_task<class DummyTask1>([=]() {});
     });