diff --git a/modules/search-provision/src/test/scala/io/renku/search/provision/group/GroupAddedProvisioningSpec.scala b/modules/search-provision/src/test/scala/io/renku/search/provision/group/GroupAddedProvisioningSpec.scala
index e7eea68d..6cb9a61c 100644
--- a/modules/search-provision/src/test/scala/io/renku/search/provision/group/GroupAddedProvisioningSpec.scala
+++ b/modules/search-provision/src/test/scala/io/renku/search/provision/group/GroupAddedProvisioningSpec.scala
@@ -23,17 +23,58 @@ import cats.effect.IO
 
 import io.renku.events.EventsGenerators
 import io.renku.search.GeneratorSyntax.*
-import io.renku.search.events.GroupAdded
+import io.renku.search.events.{GroupAdded, GroupUpdated}
 import io.renku.search.model.ModelGenerators
 import io.renku.search.model.{Id, Name, Namespace}
 import io.renku.search.provision.ProvisioningSuite
 import io.renku.search.provision.events.syntax.*
-import io.renku.search.solr.documents.{CompoundId, EntityDocument, Group as GroupDocument}
+import io.renku.search.solr.documents.{Group as GroupDocument, *}
 import io.renku.solr.client.DocVersion
 import org.scalacheck.Gen
 
 class GroupAddedProvisioningSpec extends ProvisioningSuite:
 
+  test("merge partial groups"):
+    for
+      services <- IO(testServices())
+      handler = services.syncHandler(queueConfig.dataServiceAllEvents)
+      queueClient = services.queueClient
+      solrClient = services.searchClient
+
+      id <- IO(ModelGenerators.idGen.generateOne)
+      _ <- solrClient.deleteIds(NonEmptyList.of(id))
+      add1 <- queueClient.enqueue(
+        queueConfig.dataServiceAllEvents,
+        EventsGenerators
+          .eventMessageGen(
+            Gen.const(GroupUpdated(id, Name("SDSC"), Namespace("sdsc-namespace"), None))
+          )
+          .generateOne
+      )
+      _ <- handler.create.map(_.asUpsert).unNone.take(1).compile.toList
+      pdoc <- solrClient.findById[PartialEntityDocument](CompoundId.groupPartial(id))
+      _ = assert(pdoc.isDefined, "no (partial) document found")
+      _ = assert(pdoc.get.isInstanceOf[PartialEntityDocument.Group])
+
+      add2 <- queueClient.enqueue(
+        queueConfig.dataServiceAllEvents,
+        EventsGenerators
+          .eventMessageGen(
+            Gen.const(
+              GroupAdded(id, Name("Renku"), Namespace("sdsc-namespace"), None)
+            )
+          )
+          .generateOne
+      )
+      results <- handler.create.map(_.asUpsert).unNone.take(1).compile.toList
+
+      _ = assert(results.nonEmpty && results.forall(_.isSuccess))
+      doc <- solrClient.findById[EntityDocument](CompoundId.groupEntity(id))
+      _ = assert(doc.isDefined, "group not found")
+      group = doc.get.asInstanceOf[GroupDocument]
+      _ = assertEquals(group.name, Name("SDSC"))
+    yield ()
+
   test("overwrite data for duplicate events"):
     for
       services <- IO(testServices())