Add filter for test logging.

Let's get a much saner output without the
Unknown[RelationshipType|PropertyKey]Warning messages.

Author: meistermeier

src/test/java/org/springframework/data/neo4j/test/TestLogFilter.java

@@ -0,0 +1,47 @@
+/*
+ * Copyright 2011-2022 the original author or authors.
+ *
+ * Licensed 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
+ *
+ *      https://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.springframework.data.neo4j.test;
+
+import ch.qos.logback.classic.spi.ILoggingEvent;
+import ch.qos.logback.core.filter.Filter;
+import ch.qos.logback.core.spi.FilterReply;
+
+import java.util.List;
+
+/**
+ * @author Gerrit Meier
+ */
+public class TestLogFilter extends Filter<ILoggingEvent> {
+
+	private static final List<String> FILTER_MESSAGES = List.of(
+			"ClientNotification.Statement.UnknownRelationshipTypeWarning",
+			"ClientNotification.Statement.UnknownPropertyKeyWarning"
+	);
+
+	@Override
+	public FilterReply decide(ILoggingEvent event) {
+
+		String message = event.getMessage();
+
+		for (String filterMessage : FILTER_MESSAGES) {
+			if (message.contains(filterMessage)) {
+				return FilterReply.DENY;
+			}
+		}
+
+		return FilterReply.ACCEPT;
+	}
+}

src/test/resources/logback-test.xml

@@ -18,6 +18,7 @@
 <configuration>
 
     <appender name="console" class="ch.qos.logback.core.ConsoleAppender">
+        <filter class="org.springframework.data.neo4j.test.TestLogFilter" />
         <encoder>
             <pattern>[%t] %d %5p %40.40c:%4L - %m%n</pattern>
         </encoder>