COMPMID-556: Added a rounding policy to the quantize function

Change-Id: I6272a36636c5d9baff6d35dee0a50dc847f65bfa
Reviewed-on: https://eu-gerrit-1.euhpc.arm.com/110266
Tested-by: BSG Visual Compute Jenkins server to access repositories on http://mpd-gerrit.cambridge.arm.com <bsgcomp@arm.com>
Reviewed-by: Anthony Barbier <anthony.barbier@arm.com>
diff --git a/tests/validation/Helpers.cpp b/tests/validation/Helpers.cpp
index 3ef5fc1..313b059 100644
--- a/tests/validation/Helpers.cpp
+++ b/tests/validation/Helpers.cpp
@@ -129,7 +129,7 @@
     SimpleTensor<uint8_t> dst{ src.shape(), DataType::QASYMM8, 1, 0, quantization_info };
     for(int i = 0; i < src.num_elements(); ++i)
     {
-        dst[i] = quantization_info.quantize(src[i]);
+        dst[i] = quantization_info.quantize(src[i], RoundingPolicy::TO_NEAREST_UP);
     }
     return dst;
 }