Fix unused variable warning reported in nightly nuild

Resovles: COMPMID-6002
Change-Id: Ifc2b7c889679b21d7e58f533be9c865854e132ef
Signed-off-by: Ramy Elgammal <ramy.elgammal@arm.com>
Reviewed-on: https://review.mlplatform.org/c/ml/ComputeLibrary/+/9408
Reviewed-by: Gunes Bayir <gunes.bayir@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/CL/MatMul.cpp b/tests/validation/CL/MatMul.cpp
index bd259f7..7ebed43 100644
--- a/tests/validation/CL/MatMul.cpp
+++ b/tests/validation/CL/MatMul.cpp
@@ -58,7 +58,7 @@
                                                                                                   framework::dataset::make("DataType", DataType::F32)))
 {
     // Validate output
-    validate(CLAccessor(_target), _reference, tolerance_f32);
+    validate(CLAccessor(_target), _reference, tolerance_f32, 0.f, abs_tolerance_f32);
 }
 FIXTURE_DATA_TEST_CASE(RunLarge, MatMulFixture<float>, framework::DatasetMode::NIGHTLY, combine(combine(combine(datasets::LargeMatMulDataset(),
                                                                                                                 framework::dataset::make("pretransose_A", { false, true })),
@@ -66,7 +66,7 @@
                                                                                                 framework::dataset::make("DataType", DataType::F32)))
 {
     // Validate output
-    validate(CLAccessor(_target), _reference, tolerance_f32);
+    validate(CLAccessor(_target), _reference, tolerance_f32, 0.f, abs_tolerance_f32);
 }
 TEST_SUITE_END() // FP32
 TEST_SUITE(FP16)
@@ -76,7 +76,7 @@
                                                                                                  framework::dataset::make("DataType", DataType::F16)))
 {
     // Validate output
-    validate(CLAccessor(_target), _reference, tolerance_f16);
+    validate(CLAccessor(_target), _reference, tolerance_f16, 0.f, abs_tolerance_f16);
 }
 FIXTURE_DATA_TEST_CASE(RunLarge, MatMulFixture<half>, framework::DatasetMode::NIGHTLY, combine(combine(combine(datasets::LargeMatMulDataset(),
                                                                                                                framework::dataset::make("pretransose_A", { false, true })),
@@ -84,7 +84,7 @@
                                                                                                framework::dataset::make("DataType", DataType::F16)))
 {
     // Validate output
-    validate(CLAccessor(_target), _reference, tolerance_f16);
+    validate(CLAccessor(_target), _reference, tolerance_f16, 0.f, abs_tolerance_f16);
 }
 TEST_SUITE_END() // FP16
 TEST_SUITE_END() // MatMul