GTEST: Fix tag offload multi rx test

[brminich]

What?

Fix CI

2024-11-22T11:00:08.7582086Z [ RUN      ] all_rcdc/test_ucp_tag_offload_multi.recv_from_multi/0 <rc,dc>
2024-11-22T11:00:10.5796181Z /__w/1/s/contrib/../test/gtest/ucp/test_ucp_tag_offload.cc:556: Failure
2024-11-22T11:00:10.5797262Z Expected equality of these values:
2024-11-22T11:00:10.5797704Z   0u
2024-11-22T11:00:10.5798086Z     Which is: 0
2024-11-22T11:00:10.5798688Z   ((&receiver().worker()->tm.offload.tag_hash)->size)
2024-11-22T11:00:10.5799056Z     Which is: 1
2024-11-22T11:00:10.6035459Z /__w/1/s/contrib/../test/gtest/ucp/test_ucp_tag_offload.cc:562: Failure
2024-11-22T11:00:10.6036509Z Expected equality of these values:
2024-11-22T11:00:10.6036953Z   1u
2024-11-22T11:00:10.6037323Z     Which is: 1
2024-11-22T11:00:10.6038014Z   ((&receiver().worker()->tm.offload.tag_hash)->size)
2024-11-22T11:00:10.6038479Z     Which is: 2
2024-11-22T11:00:11.2846016Z [  FAILED  ] all_rcdc/test_ucp_tag_offload_multi.recv_from_multi/0, where GetParam() = rc,dc (2526 ms)