Github user aljoscha commented on a diff in the pull request:
https://github.com/apache/flink/pull/4838#discussion_r145326904
--- Diff:
flink-queryable-state/flink-queryable-state-java/src/test/java/org/apache/flink/queryablestate/state/ImmutableAggregatingStateTest.java
---
@@ -0,0 +1,114 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.flink.queryablestate.state;
+
+import org.apache.flink.api.common.ExecutionConfig;
+import org.apache.flink.api.common.functions.AggregateFunction;
+import org.apache.flink.api.common.state.AggregatingStateDescriptor;
+import org.apache.flink.core.memory.DataOutputViewStreamWrapper;
+import
org.apache.flink.queryablestate.client.state.ImmutableAggregatingState;
+
+import org.junit.Before;
+import org.junit.Test;
+
+import java.io.ByteArrayOutputStream;
+
+import static org.junit.Assert.assertEquals;
+
+/**
+ * Tests the {@link ImmutableAggregatingStateTest}.
--- End diff --
typo, should be `ImmutableAggregatingState`
---
