Improve Avg_Pool2D ErrorIf Testing

* Add test for invalid accumulator dtype

Signed-off-by: Jeremy Johnson <jeremy.johnson@arm.com>
Change-Id: I506e2047623372670b82db6e9c0010fa89802851
diff --git a/verif/generator/tosa_test_gen.py b/verif/generator/tosa_test_gen.py
index f5eca18..2d471c0 100644
--- a/verif/generator/tosa_test_gen.py
+++ b/verif/generator/tosa_test_gen.py
@@ -835,6 +835,7 @@
             input_dtype=input.dtype,
             output_shape=result_tensor.shape,
             output_dtype=result_tensor.dtype,
+            accum_dtype=accum_dtype,
             kernel=kernel,
             stride=stride,
             pad=pad,
@@ -3218,6 +3219,7 @@
                 TosaErrorValidator.evPadLargerEqualKernel,
                 TosaErrorValidator.evPoolingOutputShapeMismatch,
                 TosaErrorValidator.evPoolingOutputShapeNonInteger,
+                TosaErrorValidator.evWrongAccumulatorType,
             ),
             "data_gen": {
                 "fp": (gtu.DataGenType.DOT_PRODUCT,),