spring-boot/spring-boot-tests/spring-boot-smoke-tests/spring-boot-smoke-test-web-thymeleaf/src/main/resources/logback.xml

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

	<include resource="org/springframework/boot/logging/logback/base.xml"/>

	<!-- logger name="org.springframework" level="DEBUG"/-->

</configuration>