fix rad2deg

Author: Vahid Tavanashad

dpnp/tests/third_party/cupy/math_tests/test_trigonometric.py

@@ -7,7 +7,9 @@
 class TestTrigonometric(unittest.TestCase):
 
     @testing.for_all_dtypes(no_complex=True)
-    @testing.numpy_cupy_allclose(atol=1e-3, type_check=has_support_aspect64())
+    @testing.numpy_cupy_allclose(
+        atol=1e-4, rtol=0.001, type_check=has_support_aspect64()
+    )
     def check_unary(self, name, xp, dtype):
         a = testing.shaped_arange((2, 3), xp, dtype)
         return getattr(xp, name)(a)