Add xglDestroyDevice() call to test framework.
diff --git a/tests/xglrenderframework.cpp b/tests/xglrenderframework.cpp
index abacbfc..ab87374 100644
--- a/tests/xglrenderframework.cpp
+++ b/tests/xglrenderframework.cpp
@@ -87,6 +87,7 @@
     }
 
     // reset the driver
+    m_device->destroy_device();
     xglInitAndEnumerateGpus(&this->app_info, XGL_NULL_HANDLE, 0, &gpu_count, XGL_NULL_HANDLE);
 }