Bug 14084: Get tests compiling and running

Some layer tests still have issues.
diff --git a/tests/vktestframework.cpp b/tests/vktestframework.cpp
index 1b8315b..3edc058 100644
--- a/tests/vktestframework.cpp
+++ b/tests/vktestframework.cpp
@@ -482,7 +482,8 @@
     VkCmdBuffer cmdBufs[1];
     cmdBufs[0] = m_cmdbuf.handle();
 
-    vkQueueSubmit(m_queue.handle(), 1, cmdBufs, NULL);
+    VkFence nullFence = { VK_NULL_HANDLE };
+    vkQueueSubmit(m_queue.handle(), 1, cmdBufs, nullFence);
     m_queue.wait();
 
     VkPresentInfoWSI present = {};