Test service as minimum repro for sharing memory handle

services/test/service_manifest.json

Index: services/test/service_manifest.json
diff --git a/services/test/service_manifest.json b/services/test/service_manifest.json
new file mode 100644
index 0000000000000000000000000000000000000000..5b03a4ba0d4ed50c5fa014d02fda3d625a1ae4e3
--- /dev/null
+++ b/services/test/service_manifest.json
@@ -0,0 +1,15 @@
+{
+  "name": "test",
+  "display_name": "Test",
+  "interface_provider_specs": {
+    "service_manager:connector": {
+      "provides": {
+        "production": [ "*" ],
+        "tests": [ "*" ]
+      },
+      "requires": {
+        "service_manager": [ "service_manager:all_users" ]
+      }
+    }
+  }
+}