Increase MatMul and DilatedConv test Q8 thresholds to 1

Tolerance for quantized tests is better to be 1 due to possible rounding differences between the Acl and reference implementations.

Resolves: COMPMID-6929
Change-Id: I6f317631322b702e6a9579593befff65bbf46151
Signed-off-by: Gunes Bayir <gunes.bayir@arm.com>
Reviewed-on: https://review.mlplatform.org/c/ml/ComputeLibrary/+/11319
Reviewed-by: Pablo Marquez Tello <pablo.tello@arm.com>
Comments-Addressed: Arm Jenkins <bsgcomp@arm.com>
Benchmark: Arm Jenkins <bsgcomp@arm.com>
Tested-by: Arm Jenkins <bsgcomp@arm.com>
diff --git a/tests/validation/NEON/MatMul.cpp b/tests/validation/NEON/MatMul.cpp
index 5577a9b..f91dea1 100644
--- a/tests/validation/NEON/MatMul.cpp
+++ b/tests/validation/NEON/MatMul.cpp
@@ -48,8 +48,8 @@
 constexpr AbsoluteTolerance<float>   tolerance_fp32(0.001f); /**< Tolerance value for comparing reference's output against implementation's output for FP32 data types */
 const AbsoluteTolerance<half>        tolerance_fp16(half(0.1f));
 #ifdef __aarch64__
-constexpr AbsoluteTolerance<uint8_t> tolerance_qasymm8(0);
-constexpr AbsoluteTolerance<uint8_t> tolerance_qasymm8_signed(0);
+constexpr AbsoluteTolerance<int32_t> tolerance_qasymm8(1);
+constexpr AbsoluteTolerance<int32_t> tolerance_qasymm8_signed(1);
 #endif // __aarch64__
 
 // clang-format off