Reduce test combinations

Author: Giuseppe5

tests/brevitas_ort/quant_module_cases.py

@@ -15,7 +15,8 @@
 
 class QuantWBIOLCases:
 
-    @parametrize('rounding_type', ['round', 'floor'], ids=[r for r in ['round', 'floor']])
+    @parametrize(
+        'rounding_type', ['round', 'floor'], ids=[f'rtype_{r}' for r in ['round', 'floor']])
     @parametrize('impl', QUANT_WBIOL_IMPL, ids=[f'{c.__name__}' for c in QUANT_WBIOL_IMPL])
     @parametrize('input_bit_width', BIT_WIDTHS, ids=[f'i{b}' for b in BIT_WIDTHS])
     @parametrize('weight_bit_width', BIT_WIDTHS, ids=[f'w{b}' for b in BIT_WIDTHS])
@@ -37,9 +38,9 @@ def case_quant_wbiol(
         weight_quant, io_quant = quantizers
         is_fp8 = weight_quant == Fp8e4m3OCPWeightPerTensorFloat
         is_dynamic = io_quant == ShiftedUint8DynamicActPerTensorFloat
-        if is_fp8:
+        if is_fp8 or rounding_type == 'floor':
             if weight_bit_width < 8 or input_bit_width < 8 or output_bit_width < 8:
-                pytest.skip('FP8 export requires total bitwidth equal to 8')
+                pytest.skip('FP8 export and FLOOR rounding require all bitwidths equal to 8')
             torch.use_deterministic_algorithms(False)
         else:
             torch.use_deterministic_algorithms(True)