IGNITE-22530 Add licenses

Author: lordgarrish

modules/cdc-ext/src/test/java/org/apache/ignite/cdc/RegexFiltersSelfTest.java

@@ -1,3 +1,20 @@
+/*
+ * 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.ignite.cdc;
 
 import java.util.Collections;
@@ -77,6 +94,7 @@ private enum WaitDataMode {
     /** */
     private static final String REGEX_EXCLUDE_PATTERN = "forbidden.*";
 
+    /** */
     private static final String INVALID_PATTERN = "[aaaaaaaaaaaaa";
 
     /** */