Enable Process Discovery tests for Node.js (#6638)

Co-authored-by: Thomas Hunter II <tlhunter@datadog.com>

Author: wantsui

manifests/nodejs.yml

@@ -2057,7 +2057,7 @@ manifest:
   tests/parametric/test_parametric_endpoints.py::Test_Parametric_Otel_Current_Span: incomplete_test_app (otel current_span endpoint is not supported)
   tests/parametric/test_parametric_endpoints.py::Test_Parametric_Write_Log: *ref_5_72_0
   tests/parametric/test_partial_flushing.py::Test_Partial_Flushing: bug (APMLP-270)
-  tests/parametric/test_process_discovery.py: missing_feature
+  tests/parametric/test_process_discovery.py::Test_ProcessDiscovery: v5.93.0
   tests/parametric/test_sampling_manual.py::Test_Manual_Sampling: bug (APMAPI-1720)  # Manual keep did not override the upstream drop decision
   tests/parametric/test_sampling_span_tags.py::Test_Knuth_Sample_Rate: missing_feature
   tests/parametric/test_sampling_span_tags.py::Test_Sampling_Span_Tags::test_tags_appsec_enabled_sst011: bug (APMAPI-737)

tests/parametric/test_process_discovery.py

@@ -86,6 +86,10 @@ def assert_metadata_content(test_library: APMLibrary, library_env: dict[str, str
         rc, out = test_library.container_exec_run("pidof java")
         assert rc
         pid = int(out)
+    elif context.library.name == "nodejs":
+        rc, out = test_library.container_exec_run("pidof node")
+        assert rc
+        pid = int(out)
     memfds = find_dd_memfds(test_library, pid)
     assert len(memfds) == 1
     rc, tracer_metadata = read_memfd(test_library, memfds[0])