Implement clang-tidy fixes

clang-tidy allows the CI robot to check many things via static analysis.

All changes here were made by the clang-tidy robot, and include a number
of modernization fixes.  updating the tidy file will be done at a later
date.

Signed-off-by: Ed Tanous <etanous@nvidia.com>
Change-Id: I98cc4d600a3c589675507958f6d2350b2141216b
diff --git a/test/writeinterface_mock.hpp b/test/writeinterface_mock.hpp
index 669c1d9..409178c 100644
--- a/test/writeinterface_mock.hpp
+++ b/test/writeinterface_mock.hpp
@@ -10,7 +10,7 @@
 class WriteInterfaceMock : public WriteInterface
 {
   public:
-    virtual ~WriteInterfaceMock() = default;
+    ~WriteInterfaceMock() override = default;
 
     WriteInterfaceMock(int64_t min, int64_t max) : WriteInterface(min, max) {}