Disable a flaky test

Summary:
att

Test Plan:
python test/integration/test_integration.py

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test/integration/test_integration.py

@@ -1104,6 +1104,7 @@ def test_weight_only_quant(self):
     @parameterized.expand(COMMON_DEVICE_DTYPE)
     @torch.no_grad()
     @unittest.skipIf(not torch.cuda.is_available(), "Need CUDA available")
+    @unittest.skip("This test is flaky, we'll enable later")
     def test_weight_only_quant_force_mixed_mm(self, device, dtype):
         if device != "cuda":
             self.skipTest(f"weight_only_quant_force_mixed_mm can't be constructed on {device}")

test/quantization/test_quant_api.py

@@ -563,7 +563,7 @@ def get_per_token_block_size(x):
         input_eps = 1e-5
         input_quant_min = -127
         input_quant_max = 127
-        input_quant_func = lambda x: AffineQuantizedTensor.from_float(x, input_mapping_type, get_per_token_block_size(x), input_target_dtype, eps=input_eps, quant_min=input_quant_min, quant_max=input_quant_max, scale_dtype=torch.float)
+        input_quant_func = lambda x: AffineQuantizedTensor.from_float(x, input_mapping_type, get_per_token_block_size(x), input_target_dtype, eps=input_eps, quant_min=input_quant_min, quant_max=input_quant_max, scale_dtype=torch.float32 if x.dtype == torch.float16 else None)
 
         # use 1024 so that we don't need padding
         m = ToyLinearModel(1024, 1024, 1024).eval().to(torch.bfloat16).to("cuda")