Mixed data-layout testing on high priority operators

Change data layouts after the configure in validation tests for:
  - Scale
  - Pooling
  - FullyConnected
  - DepthwiseConvolution
  - DirectConvolution
  - FFTConvolution
  - WinogradConvolution
  - GEMMConvolution (Indirect GEMM included)
Extending fixtures

Fixes for new mixed data layout tests

Resolves: COMPMID-4162
Change-Id: I2f2eb2075f7e24ab3872249d88cadb57b82c5dde
Signed-off-by: Manuel Bottini <manuel.bottini@arm.com>
Reviewed-on: https://review.mlplatform.org/c/ml/ComputeLibrary/+/5326
Comments-Addressed: Arm Jenkins <bsgcomp@arm.com>
Tested-by: Arm Jenkins <bsgcomp@arm.com>
Reviewed-by: Georgios Pinitas <georgios.pinitas@arm.com>
diff --git a/tests/validation/CL/Scale.cpp b/tests/validation/CL/Scale.cpp
index 523b49d..2b34f1f 100644
--- a/tests/validation/CL/Scale.cpp
+++ b/tests/validation/CL/Scale.cpp
@@ -210,6 +210,8 @@
 
 template <typename T>
 using CLScaleFixture = ScaleValidationFixture<CLTensor, CLAccessor, CLScale, T>;
+template <typename T>
+using CLScaleMixedDataLayoutFixture = ScaleValidationFixture<CLTensor, CLAccessor, CLScale, T, true>;
 
 TEST_SUITE(Float)
 TEST_SUITE(FP32)
@@ -223,6 +225,15 @@
     // Validate output
     validate(CLAccessor(_target), _reference, valid_region, tolerance_f32, tolerance_num_f32, tolerance_f32_absolute);
 }
+FIXTURE_DATA_TEST_CASE(RunMixedDataLayout, CLScaleMixedDataLayoutFixture<float>, framework::DatasetMode::ALL, ASSEMBLE_DATASET(f32_shape, ScaleSamplingPolicySet))
+{
+    //Create valid region
+    TensorInfo        src_info(_shape, 1, _data_type);
+    const ValidRegion valid_region = calculate_valid_region_scale(src_info, _reference.shape(), _policy, _sampling_policy, (_border_mode == BorderMode::UNDEFINED));
+
+    // Validate output
+    validate(CLAccessor(_target), _reference, valid_region, tolerance_f32, tolerance_num_f32, tolerance_f32_absolute);
+}
 FIXTURE_DATA_TEST_CASE(RunAlignCorners, CLScaleFixture<float>, framework::DatasetMode::ALL, ASSEMBLE_DATASET(f32_shape, ScaleAlignCornersSamplingPolicySet))
 {
     //Create valid region