diff --git a/tests/validation/CL/ReduceMean.cpp b/tests/validation/CL/ReduceMean.cpp
index 036ea18..5069711 100644
--- a/tests/validation/CL/ReduceMean.cpp
+++ b/tests/validation/CL/ReduceMean.cpp
@@ -80,28 +80,6 @@
 // clang-format on
 // *INDENT-ON*
 
-DATA_TEST_CASE(Configuration,
-               framework::DatasetMode::ALL,
-               combine(datasets::SmallShapes(), framework::dataset::make("DataType", { DataType::F16, DataType::F32 })),
-               shape, data_type)
-{
-    // Create tensors
-    CLTensor ref_src = create_tensor<CLTensor>(shape, data_type);
-    CLTensor dst;
-
-    Coordinates axis(1);
-
-    // Create and Configure function
-    CLReduceMean reduce_mean;
-    reduce_mean.configure(&ref_src, axis, true, &dst);
-
-    // Validate valid region
-    TensorShape output_shape = shape;
-    output_shape.set(1, 1);
-    const ValidRegion valid_region = shape_to_valid_region(output_shape);
-    validate(dst.info()->valid_region(), valid_region);
-}
-
 template <typename T>
 using CLReduceMeanFixture = ReduceMeanFixture<CLTensor, CLAccessor, CLReduceMean, T>;
 
@@ -170,6 +148,26 @@
     validate(CLAccessor(_target), _reference, tolerance_qasymm8);
 }
 TEST_SUITE_END() // QASYMM8
+
+TEST_SUITE(QASYMM8_SIGNED)
+FIXTURE_DATA_TEST_CASE(RunSmall,
+                       CLReduceMeanQuantizedFixture<int8_t>,
+                       framework::DatasetMode::PRECOMMIT,
+                       combine(combine(combine(datasets::Small4DShapes(), framework::dataset::make("DataType", DataType::QASYMM8_SIGNED)), concat(axis_keep, axis_drop)), framework::dataset::make("QuantizationInfo", { QuantizationInfo(1.f / 102, 2) })))
+{
+    // Validate output
+    validate(CLAccessor(_target), _reference, tolerance_qasymm8);
+}
+
+FIXTURE_DATA_TEST_CASE(RunLarge,
+                       CLReduceMeanQuantizedFixture<int8_t>,
+                       framework::DatasetMode::NIGHTLY,
+                       combine(combine(combine(datasets::Large4DShapes(), framework::dataset::make("DataType", DataType::QASYMM8_SIGNED)), concat(axis_keep, axis_drop)), framework::dataset::make("QuantizationInfo", { QuantizationInfo(1.f / 102, 2) })))
+{
+    // Validate output
+    validate(CLAccessor(_target), _reference, tolerance_qasymm8);
+}
+TEST_SUITE_END() // QASYMM8_SIGNED
 TEST_SUITE_END() // Quantized
 TEST_SUITE_END() // ReduceMean
 TEST_SUITE_END() // CL