[BEAM-12625] Annotate testTwoTimersSettingEachOtherWithCreateAsInputUnbounded.
diff --git a/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/ParDoTest.java b/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/ParDoTest.java
index a620cdf..50ab860 100644
--- a/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/ParDoTest.java
+++ b/sdks/java/core/src/test/java/org/apache/beam/sdk/transforms/ParDoTest.java
@@ -4522,7 +4522,12 @@
     //    }
 
     @Test
-    @Category({ValidatesRunner.class, UsesTimersInParDo.class, UsesStrictTimerOrdering.class})
+    @Category({
+      ValidatesRunner.class,
+      UsesTimersInParDo.class,
+      UsesStrictTimerOrdering.class,
+      UsesUnboundedPCollections.class
+    })
     public void testTwoTimersSettingEachOtherWithCreateAsInputUnbounded() {
       testTwoTimersSettingEachOtherWithCreateAsInput(IsBounded.UNBOUNDED);
     }