Fix CheckValue for the case when expected is a saved enum value. (#28108

)

Fixes #28096

src/app/tests/suites/include/ValueChecker.h

@@ -69,7 +69,7 @@ class ValueChecker
 
     // Allow a different expected type from the actual value type, because if T
     // is short the literal we are using is not short-typed.
-    template <typename T, typename U, typename std::enable_if_t<!std::is_enum<T>::value, int> = 0>
+    template <typename T, typename U, typename std::enable_if_t<!std::is_enum<T>::value && !std::is_enum<U>::value, int> = 0>
     bool CheckValue(const char * itemName, T current, U expected)
     {
         if (current != expected)
@@ -82,6 +82,12 @@ class ValueChecker
         return true;
     }
 
+    template <typename T, typename U, typename std::enable_if_t<!std::is_enum<T>::value && std::is_enum<U>::value, int> = 0>
+    bool CheckValue(const char * itemName, T current, U expected)
+    {
+        return CheckValue(itemName, current, chip::to_underlying(expected));
+    }
+
     template <typename T, typename U, typename std::enable_if_t<std::is_enum<T>::value, int> = 0>
     bool CheckValue(const char * itemName, T current, U expected)
     {