TST Skip some GPU tests on non-CUDA devices (huggingface#2473)

Author: jiqing-feng

tests/bnb/test_bnb_regression.py

@@ -49,7 +49,7 @@ def bytes_from_tensor(x):
 ############
 
 
-@pytest.mark.skipif(not (torch.cuda.is_available() or is_xpu_available()), reason="No CUDA device available.")
+@pytest.mark.skipif(not torch.cuda.is_available(), reason="No CUDA device available.")
 def test_opt_350m_4bit():
     torch.manual_seed(0)
     bnb_config = BitsAndBytesConfig(
@@ -91,7 +91,7 @@ def test_opt_350m_8bit():
     torch.testing.assert_allclose(output, expected)
 
 
-@pytest.mark.skipif(not (torch.cuda.is_available() or is_xpu_available()), reason="No CUDA device available.")
+@pytest.mark.skipif(not torch.cuda.is_available(), reason="No CUDA device available.")
 def test_opt_350m_4bit_double_quant():
     torch.manual_seed(0)
     bnb_config = BitsAndBytesConfig(
@@ -114,7 +114,7 @@ def test_opt_350m_4bit_double_quant():
     torch.testing.assert_allclose(output, expected)
 
 
-@pytest.mark.skipif(not (torch.cuda.is_available() or is_xpu_available()), reason="No CUDA device available.")
+@pytest.mark.skipif(torch.cuda.is_available(), reason="No CUDA device available.")
 def test_opt_350m_4bit_compute_dtype_float16():
     torch.manual_seed(0)
     bnb_config = BitsAndBytesConfig(