NMS-19612: Use machine large instead of x-large for integration tests (#8362)

* NMS-19162: Use proper logging and make default as WARN

* NMS-19612: Use machine-large instead of x-large for integration tests

* NMS-19612: Revert changes-only false setting

Author: cgorantla

.circleci/main/jobs/tests/integration/integration-test.yml

@@ -2,7 +2,7 @@ jobs:
   integration-test:
     executor: integration-test-executor
     parallelism: 8
-    resource_class: xlarge
+    resource_class: large
     steps:
       - cached-checkout
       - attach_workspace:

features/enlinkd/tests/src/test/resources/log4j2-test.xml

@@ -0,0 +1,15 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<Configuration status="WARN">
+  <Appenders>
+    <Console name="Console" target="SYSTEM_OUT">
+      <PatternLayout pattern="%d{HH:mm:ss.SSS} [%t] %-5level %logger{36} - %msg%n"/>
+    </Console>
+  </Appenders>
+  <Loggers>
+    <Logger name="org.opennms.netmgt.snmp" level="WARN" />
+    <Logger name="org.opennms.netmgt.snmp.snmp4j" level="WARN" />
+    <Root level="INFO">
+      <AppenderRef ref="Console"/>
+    </Root>
+  </Loggers>
+</Configuration>