Use CPU for tests

Author: PokhodenkoSA

dpctl/tests/test_sycl_queue_manager.py

@@ -185,7 +185,7 @@ def factory():
     assert not dpctl.nested_context_factories
 
 
-@pytest.mark.skipif(not has_gpu(), reason="No OpenCL GPU queues available")
+@pytest.mark.skipif(not has_cpu(), reason="No OpenCL CPU queues available")
 def test_device_context_activates_nested_context():
     in_context = False
     factory_called = False
@@ -206,13 +206,14 @@ def factory(_):
         assert not factory_called
         assert not in_context
 
-        with dpctl.device_context("opencl:gpu:0"):
+        with dpctl.device_context("opencl:cpu:0"):
             assert factory_called
             assert in_context
 
         assert not in_context
 
 
+@pytest.mark.skipif(not has_cpu(), reason="No OpenCL CPU queues available")
 @pytest.mark.parametrize(
     "factory, exception, match",
     [
@@ -225,5 +226,5 @@ def test_nested_context_factory_exception_if_wrong_factory(
 ):
     with pytest.raises(exception, match=match):
         with _register_nested_context_factory(factory):
-            with dpctl.device_context("opencl:gpu:0"):
+            with dpctl.device_context("opencl:cpu:0"):
                 pass