quartz scheduler 로그 레벨 변경: DEBUG -> Error

src/test/resources/logback.xml

@@ -70,6 +70,7 @@
 	<logger name="jdbc.connection" level="OFF" additivity="false"/>
 	<logger name="jdbc.audit" level="OFF" additivity="true"/>
 	<logger name="org.apache.commons" level="OFF" additivity="false"/>
+	<logger name="org.quartz" level="Error" additivity="false"/>
 
     <!-- 특정패키지 로깅레벨 설정 -->
     <logger name="cokr.xit" level="DEBUG" additivity="false">