unskip the flatten func tests

Author: Alexander-Makaryev

tests/skipped_tests.tbl

@@ -2,27 +2,6 @@ tests/third_party/intel/test_zero_copy_test1.py::test_dpnp_interaction_with_dpct
 tests/test_arithmetic.py::TestArithmetic::test_nansum
 tests/test_arraymanipulation.py::TestHstack::test_generator
 tests/test_arraymanipulation.py::TestVstack::test_generator
-tests/test_dparray.py::test_flatten[[-2, -1, 0, 1, 2]-float64]
-tests/test_dparray.py::test_flatten[[-2, -1, 0, 1, 2]-float32]
-tests/test_dparray.py::test_flatten[[-2, -1, 0, 1, 2]-int64]
-tests/test_dparray.py::test_flatten[[-2, -1, 0, 1, 2]-int32]
-tests/test_dparray.py::test_flatten[[-2, -1, 0, 1, 2]-bool]
-tests/test_dparray.py::test_flatten[[-2, -1, 0, 1, 2]-bool_]
-tests/test_dparray.py::test_flatten[[-2, -1, 0, 1, 2]-complex]
-tests/test_dparray.py::test_flatten[[[-2, -1], [1, 2]]-float64]
-tests/test_dparray.py::test_flatten[[[-2, -1], [1, 2]]-float32]
-tests/test_dparray.py::test_flatten[[[-2, -1], [1, 2]]-int64]
-tests/test_dparray.py::test_flatten[[[-2, -1], [1, 2]]-int32]
-tests/test_dparray.py::test_flatten[[[-2, -1], [1, 2]]-bool]
-tests/test_dparray.py::test_flatten[[[-2, -1], [1, 2]]-bool_]
-tests/test_dparray.py::test_flatten[[[-2, -1], [1, 2]]-complex]
-tests/test_dparray.py::test_flatten[[]-float64]
-tests/test_dparray.py::test_flatten[[]-float32]
-tests/test_dparray.py::test_flatten[[]-int64]
-tests/test_dparray.py::test_flatten[[]-int32]
-tests/test_dparray.py::test_flatten[[]-bool]
-tests/test_dparray.py::test_flatten[[]-bool_]
-tests/test_dparray.py::test_flatten[[]-complex]
 tests/test_dparray.py::test_astype[[-2, -1, 0, 1, 2]-float64-float64]
 tests/test_dparray.py::test_astype[[-2, -1, 0, 1, 2]-float64-float32]
 tests/test_dparray.py::test_astype[[-2, -1, 0, 1, 2]-float64-int64]