logback-test.xml

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

    <contextListener class="ch.qos.logback.classic.jul.LevelChangePropagator">
        <resetJUL>true</resetJUL>
    </contextListener>

    <appender name="CONSOLE" class="ch.qos.logback.core.ConsoleAppender">
        <encoder>
            <pattern>%d{HH:mm:ss.SSS} [%-5level] %logger{15} - %msg%n%rEx</pattern>
        </encoder>
        <immediateFlush>false</immediateFlush>
    </appender>

    <!-- Uncomment for logging ALL HTTP request and responses -->
    <!-- 	<logger name="io.gatling.http" level="TRACE" /> -->
    <!-- Uncomment for logging ONLY FAILED HTTP request and responses -->
    <!-- 	<logger name="io.gatling.http" level="DEBUG" /> -->

    <root level="WARN">
        <appender-ref ref="CONSOLE" />
    </root>

</configuration>