TIKA-4545 -- fix rat locally

Author: tballison

tika-serialization/src/test/resources/META-INF/tika-serialization-allowlist.txt

@@ -0,0 +1,25 @@
+# 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.
+
+# Allow custom test classes for serialization
+# This file demonstrates how users can add their own packages to the allowlist
+# for polymorphic deserialization in ParseContext
+
+# Allow test classes in this package
+org.apache.tika.serialization.CustomClassSerializationTest
+
+# In real usage, users would add their own package prefixes:
+# com.acme
+# com.example.metadata