mtapi_cpp: fixed bug in tests

mtapi_cpp/test/mtapi_cpp_test_group.cc

@@ -109,6 +109,7 @@ void GroupTest::TestBasic() {
     PT_EXPECT_EQ(status, MTAPI_GROUP_COMPLETED);
   }
 
+  action.Delete();
   embb::mtapi::Node::Finalize();
 
   PT_EXPECT_EQ(embb_get_bytes_allocated(), 0u);

mtapi_cpp/test/mtapi_cpp_test_queue.cc

@@ -73,6 +73,7 @@ void QueueTest::TestBasic() {
     PT_EXPECT_EQ(result, 1);
   }
 
+  action.Delete();
   embb::mtapi::Node::Finalize();
 
   PT_EXPECT_EQ(embb_get_bytes_allocated(), 0u);

mtapi_cpp/test/mtapi_cpp_test_task.cc

@@ -107,6 +107,8 @@ void TaskTest::TestBasic() {
     mtapi_status_t status = task.Wait();
     PT_EXPECT_EQ(status, MTAPI_SUCCESS);
     PT_EXPECT(test == "simple");
+
+    action_task.Delete();
   }
 
   {
@@ -120,6 +122,8 @@ void TaskTest::TestBasic() {
     testDoSomethingElse();
     mtapi_status_t status = task.Wait();
     PT_EXPECT_EQ(status, MTAPI_ERR_ACTION_FAILED);
+
+    action_error.Delete();
   }
 
   embb::mtapi::Node::Finalize();