[Dvaas]: Adding expected tests output to user-provided test vectors.

[VSuryaprasad-HCL]

Keyword Check:

~/pins_upstream/sonic-buildimage/src/sonic-p4rt/sonic-pins/dvaas$ ~/tools/keyword_checks.sh .
Keyword check Passed.

Build result:

sonic/src/sonic-p4rt/sonic-pins$ bazel build $BAZEL_BUILD_OPTS ...
INFO: Analyzed 579 targets (0 packages loaded, 0 targets configured).
INFO: Found 579 targets...
INFO: Elapsed time: 23.757s, Critical Path: 20.22s
INFO: 6 processes: 2 internal, 4 linux-sandbox.
INFO: Build completed successfully, 6 total actions

Test result:

/sonic/src/sonic-p4rt/sonic-pins$ bazel test $BAZEL_BUILD_OPTS --cache_test_results=no ...
INFO: Analyzed 600 targets (0 packages loaded, 0 targets configured).
INFO: Found 403 targets and 197 test targets...
INFO: Elapsed time: 288.219s, Critical Path: 230.95s
INFO: 251 processes: 297 linux-sandbox, 18 local.
INFO: Build completed successfully, 251 total actions
//dvaas:port_id_map_test                                                 PASSED in 1.4s
//dvaas:test_vector_stats_diff_test                                      PASSED in 1.3s
//dvaas:test_vector_stats_test                                           PASSED in 2.3s
//dvaas:test_vector_test                                                 PASSED in 1.8s
//dvaas:user_provided_packet_test_vector_test                            PASSED in 0.6s
//thinkit:bazel_test_environment_test                                    PASSED in 1.3s
//thinkit:generic_testbed_test                                           PASSED in 1.6s
//thinkit:mock_control_device_test                                       PASSED in 0.8s
//thinkit:mock_generic_testbed_test                                      PASSED in 1.2s
//thinkit:mock_mirror_testbed_test                                       PASSED in 2.8s
//thinkit:mock_ssh_client_test                                           PASSED in 0.4s
//thinkit:mock_switch_test                                               PASSED in 2.2s
//thinkit:mock_test_environment_test                                     PASSED in 0.2s
//thinkit:switch_test                                                    PASSED in 1.2s
//sai_p4/instantiations/google/tests:p4_constraints_integration_test     PASSED in 2.8s
  Stats over 5 runs: max = 2.8s, min = 1.1s, avg = 1.8s, dev = 0.8s
//sai_p4/instantiations/google/test_tools:table_entry_generator_test     PASSED in 48.5s
  Stats over 50 runs: max = 48.5s, min = 1.0s, avg = 3.2s, dev = 6.6s

Executed 197 out of 197 tests: 197 tests pass.
INFO: Build completed successfully, 251 total actions

[bibhuprasad-hcl]

@kishanps, Could you please review.
Thanks.