[CPU] Enable GatherND tests in ONNX. (#2904)

ngraph/python/tests/__init__.py

@@ -157,7 +157,6 @@ xfail_issue_38715 = xfail_test(reason="RuntimeError: While validating ONNX node
                                       "Depth must be integral element type.")
 xfail_issue_38717 = xfail_test(reason="RuntimeError: nGraph does not support the following ONNX operations:"
                                       "GreaterOrEqual")
-xfail_issue_38719 = xfail_test(reason="nGraph does not support the following ONNX operations: GatherND")
 xfail_issue_38722 = xfail_test(reason="RuntimeError: While validating ONNX nodes MatMulInteger"
                                       "and QLinearMatMul"
                                       "Input0 scale and input0 zero point shape must be same and 1")

ngraph/python/tests/test_onnx/test_backend.py

@@ -68,7 +68,6 @@ from tests import (BACKEND_NAME,
                    xfail_issue_33488,
                    xfail_issue_38717,
                    xfail_issue_33589,
-                   xfail_issue_38719,
                    xfail_issue_33535,
                    xfail_issue_38722,
                    xfail_issue_38723,
@@ -595,10 +594,6 @@ tests_expected_to_fail = [
         "OnnxBackendNodeModelTest.test_isinf_positive_cpu",
         "OnnxBackendNodeModelTest.test_isinf_negative_cpu",
         "OnnxBackendNodeModelTest.test_isinf_cpu"),
-    (xfail_issue_38719,
-        "OnnxBackendNodeModelTest.test_gathernd_example_int32_cpu",
-        "OnnxBackendNodeModelTest.test_gathernd_example_float32_cpu",
-        "OnnxBackendNodeModelTest.test_gathernd_example_int32_batch_dim1_cpu"),
     (xfail_issue_33535,
         "OnnxBackendNodeModelTest.test_dynamicquantizelinear_min_adjusted_cpu",
         "OnnxBackendNodeModelTest.test_dynamicquantizelinear_cpu",