diff --git a/x-pack/plugin/ql/src/test/java/org/elasticsearch/xpack/ql/tree/NodeSubclassTests.java b/x-pack/plugin/ql/src/test/java/org/elasticsearch/xpack/ql/tree/NodeSubclassTests.java
index 081f88821e4..9f4f25baae5 100644
--- a/x-pack/plugin/ql/src/test/java/org/elasticsearch/xpack/ql/tree/NodeSubclassTests.java
+++ b/x-pack/plugin/ql/src/test/java/org/elasticsearch/xpack/ql/tree/NodeSubclassTests.java
@@ -158,7 +158,6 @@ public class NodeSubclassTests<T extends B, B extends Node<B>> extends ESTestCas
     /**
      * Test {@link Node#replaceChildren} implementation on {@link #subclass}.
      */
-    @AwaitsFix(bugUrl = "https://github.com/elastic/elasticsearch/issues/53011")
     public void testReplaceChildren() throws Exception {
         Constructor<T> ctor = longestCtor(subclass);
         Object[] nodeCtorArgs = ctorArgs(ctor);
diff --git a/x-pack/plugin/sql/src/test/java/org/elasticsearch/xpack/sql/tree/SqlNodeSubclassTests.java b/x-pack/plugin/sql/src/test/java/org/elasticsearch/xpack/sql/tree/SqlNodeSubclassTests.java
index 55c00286eba..a13e044a2fc 100644
--- a/x-pack/plugin/sql/src/test/java/org/elasticsearch/xpack/sql/tree/SqlNodeSubclassTests.java
+++ b/x-pack/plugin/sql/src/test/java/org/elasticsearch/xpack/sql/tree/SqlNodeSubclassTests.java
@@ -56,8 +56,8 @@ import static org.elasticsearch.xpack.ql.type.DataTypes.INTEGER;
 public class SqlNodeSubclassTests<T extends B, B extends Node<B>> extends NodeSubclassTests<T, B> {
 
     private static final List<Class<?>> CLASSES_WITH_MIN_TWO_CHILDREN = asList(Percentile.class, Percentiles.class, PercentileRanks.class,
-            Iif.class, IfConditional.class, IfNull.class, In.class, InPipe.class);
-
+            Iif.class, IfConditional.class, IfNull.class, In.class, InPipe.class,
+            org.elasticsearch.xpack.ql.expression.predicate.operator.comparison.In.class);
 
     public SqlNodeSubclassTests(Class<T> subclass) {
         super(subclass);