fixup! fixup! Implement tr_serialize and tr_deserialize

Signed-off-by: Simon Brand <simon.brand@postadigitale.de>

tss-esapi/tests/integration_tests/context_tests/general_esys_tr_tests.rs

@@ -469,11 +469,11 @@ mod test_tr_serialize_tr_deserialize {
             .key_handle;
         let data = context.tr_serialize(key_handle.into()).unwrap();
         // Load handle in a new context
-        let mut context_new = create_ctx_with_session();
-        let new_handle = context_new.tr_deserialize(data).unwrap().into();
+        let mut new_context = create_ctx_with_session();
+        let new_handle = new_context.tr_deserialize(data).unwrap().into();
         assert_eq!(
             context.read_public(key_handle).unwrap(),
-            context_new.read_public(new_handle).unwrap()
+            new_context.read_public(new_handle).unwrap()
         );
     }
 }