Github user anew commented on a diff in the pull request:

    https://github.com/apache/incubator-tephra/pull/55#discussion_r137981190
  
    --- Diff: tephra-hbase-compat-1.1-base/src/test/resources/logback-test.xml ---
    @@ -0,0 +1,39 @@
    +<?xml version="1.0" encoding="UTF-8"?>
    +<!--
    +  ~ 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.
    +  -->
    +
    +<configuration>
    +  <appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
    +    <encoder>
    +      <pattern>%d{ISO8601} - %-5p [%t:%C{1}@%L] - %m%n</pattern>
    +    </encoder>
    +  </appender>
    +
    +  <logger name="org.apache.hadoop" level="WARN" />
    +  <!-- BlockStateChange is used by org.apache.hadoop.hdfs.server.blockmanagement.BlockManager -->
    --- End diff --
    
    seems like this would be useful for all test cases... it removes a lot of distracting log messages. 


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