message: Exclude negate test for unsigned types in test_max_element
diff: @@ -100,6 +100,10 @@ TYPED_TEST(MaxElementTests, TestMaxElementWithTransform)
  using Vector = typename TestFixture::input_type;
  using T = typename Vector::value_type;
  + // We cannot use unsigned types for this test case
  + if (std::is_unsigned<T>::value)
  + return;
  +
  Vector data(6);
  data[0] = 3;
  data[1] = 5;
  