Enable umath and third party tests

Author: antonwolfy

dpnp/tests/test_umath.py

@@ -115,7 +115,7 @@ def test_umaths(test_cases):
         and not (vmi._is_available() and has_support_aspect64())
     ):
         pytest.skip("dpctl-2031")
-    elif umath in ["divmod", "frexp"]:
+    elif umath in ["divmod"]:
         pytest.skip("Not implemented umath")
     elif umath == "modf":
         if args[0].dtype == dpnp.float16:

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

@@ -1,7 +1,8 @@
+from __future__ import annotations
+
 import unittest
 
 import numpy
-import pytest
 
 import dpnp as cupy
 from dpnp.tests.helper import has_support_aspect64
@@ -38,7 +39,6 @@ def test_ldexp(self, xp, ftype, itype):
         b = xp.array([-3, -2, -1, 0, 1, 2, 3], dtype=itype)
         return xp.ldexp(a, b)
 
-    @pytest.mark.skip("frexp() is not implemented yet")
     @testing.for_float_dtypes()
     def test_frexp(self, dtype):
         numpy_a = numpy.array(