fix failing tests

Author: Vahid Tavanashad

dpnp/tests/test_binary_ufuncs.py

@@ -195,7 +195,7 @@ def test_divide(self, dtype):
         expected = numpy.divide(a, b)
 
         ia, ib = dpnp.array(a), dpnp.array(b)
-        if numpy.issubdtype(dtype, numpy.bool):
+        if numpy.issubdtype(dtype, dpnp.bool):
             out_dtype = dpnp.float64
         else:
             out_dtype = _get_output_data_type(dtype)