Modified test_full_dtype_inference to run on Iris Xe GPU

Author: oleksandr-pavlyk

dpctl/tests/test_usm_ndarray_ctor.py

@@ -999,11 +999,13 @@ def test_full_dtype_inference():
     assert np.issubdtype(dpt.full(10, 4).dtype, np.integer)
     assert dpt.full(10, True).dtype is dpt.dtype(np.bool_)
     assert np.issubdtype(dpt.full(10, 12.3).dtype, np.floating)
-    assert np.issubdtype(dpt.full(10, 0.3 - 2j).dtype, np.complexfloating)
+    cdt = dpt.full(10, 0.3 - 2j).dtype
+    assert np.issubdtype(cdt, np.complexfloating)
 
     assert np.issubdtype(dpt.full(10, 12.3, dtype=int).dtype, np.integer)
     assert np.issubdtype(dpt.full(10, 0.3 - 2j, dtype=int).dtype, np.integer)
-    assert np.issubdtype(dpt.full(10, 0.3 - 2j, dtype=float).dtype, np.floating)
+    rdt = np.finfo(cdt).dtype
+    assert np.issubdtype(dpt.full(10, 0.3 - 2j, dtype=rdt).dtype, np.floating)
 
 
 def test_full_fill_array():