src/test/resources/com/puppycrawl/tools/checkstyle/configurationloader/InputConfigurationLoaderModuleIgnoreSeverity.xml

<?xml version="1.0" encoding="UTF-8"?>

<!DOCTYPE module PUBLIC
    "-//Puppy Crawl//DTD Check Configuration 1.3//EN"
    "http://checkstyle.sourceforge.net/dtds/configuration_1_3.dtd">

<module name="Checker">
    <module name="TreeWalker">
        <module name="MemberName">
            <property name="severity" value="ignore"/>
        </module>
    </module>
</module>