Skip test_pack_segments until the issue is fixed (pytorch#2032)

Summary:
Pull Request resolved: pytorch#2032

`test_pack_segments` fails on cpu CI. Skip the test temporarily to unblock nightly releases while the issue is being investigated.

https://github.com/pytorch/FBGEMM/actions/runs/6254900720

Reviewed By: q10

Differential Revision: D49524460

fbshipit-source-id: 1c8f976dbed280c989ad0cf6fd14e852473cd686

fbgemm_gpu/test/sparse_ops_test.py

@@ -26,12 +26,17 @@
     from fbgemm_gpu import open_source  # noqa: F401
 
     # pyre-ignore[21]
-    from test_utils import gpu_available, gpu_unavailable, skipIfRocm
+    from test_utils import gpu_available, gpu_unavailable, running_on_github, skipIfRocm
 except Exception:
     torch.ops.load_library("//deeplearning/fbgemm/fbgemm_gpu:sparse_ops")
     torch.ops.load_library("//deeplearning/fbgemm/fbgemm_gpu:sparse_ops_cpu")
     torch.ops.load_library("//deeplearning/fbgemm/fbgemm_gpu/codegen:index_select_ops")
-    from fbgemm_gpu.test.test_utils import gpu_available, gpu_unavailable, skipIfRocm
+    from fbgemm_gpu.test.test_utils import (
+        gpu_available,
+        gpu_unavailable,
+        running_on_github,
+        skipIfRocm,
+    )
 
 
 def unbucketize_indices_value(
@@ -1733,6 +1738,7 @@ def _pack_segments_ref(
         ),
         torch_compile=st.booleans(),
     )
+    @unittest.skipIf(*running_on_github)
     @settings(deadline=None)
     def test_pack_segments(
         self,