[SYCL][LIT] Fix narrowing type conversion for marray in test (#7298)

Signed-off-by: Tikhomirova, Kseniya <[email protected]>

Author: KseniyaTikhomirova

sycl/test/basic_tests/known_identity.cpp

@@ -246,7 +246,7 @@ typename std::enable_if<!std::is_same_v<T, half> && !std::is_same_v<T, float> &&
 checkMarrayKnownIdentity() {
   constexpr marray<T, Num> zeros(T(0));
   constexpr marray<T, Num> ones(T(1));
-  constexpr marray<T, Num> bit_ones(~T(0));
+  constexpr marray<T, Num> bit_ones(T(~0));
 
   static_assert(has_known_identity<plus<>, marray<T, Num>>::value);
   static_assert(