COMPMID-3968 30% regression on FSSD v1 25 Grayscale

Signed-off-by: Giorgio Arena <giorgio.arena@arm.com>
Change-Id: Ib1ecd7aa10fec0b7e2b3d929e212c1af34c0f58d
Reviewed-on: https://review.mlplatform.org/c/ml/ComputeLibrary/+/4533
Tested-by: Arm Jenkins <bsgcomp@arm.com>
Reviewed-by: Georgios Pinitas <georgios.pinitas@arm.com>
Reviewed-by: Gian Marco Iodice <gianmarco.iodice@arm.com>
Comments-Addressed: Arm Jenkins <bsgcomp@arm.com>
diff --git a/tests/validation/NEON/DepthwiseConvolutionLayer.cpp b/tests/validation/NEON/DepthwiseConvolutionLayer.cpp
index e255fc7..b38818d 100644
--- a/tests/validation/NEON/DepthwiseConvolutionLayer.cpp
+++ b/tests/validation/NEON/DepthwiseConvolutionLayer.cpp
@@ -53,8 +53,8 @@
 constexpr float                     tolerance_num = 0.05f;                 /**< Tolerance number */
 #endif                                                                     // __ARM_FEATURE_FP16_VECTOR_ARITHMETIC
 
-const auto depth_multipliers       = framework::dataset::make("DepthMultiplier", { 1, 2, 5 });
-const auto large_depth_multipliers = framework::dataset::make("DepthMultiplier", { 1, 2, 5, 8 });
+const auto depth_multipliers       = framework::dataset::make("DepthMultiplier", { 1, 2, 8 });
+const auto large_depth_multipliers = framework::dataset::make("DepthMultiplier", { 1, 2, 5, 32 });
 
 //Activation Functions
 const auto ActivationFunctionsDataset = framework::dataset::make("ActivationInfo",