Enable debug logging for tests

For easier debugging.

Disable them in maven for less output.
Does not work properly, because some classes change the log level like
AppConfiguratorTest, GitopsPlaygroundCliTest,
GitopsPlaygroundCliMainScriptedTest, GitopsPlaygroundCliMainTest.

Author: schnatterer

pom.xml

@@ -366,6 +366,17 @@
         <configuration>
           <!-- Needed to allow unit tests to do reflection, e.g. for SystemLambda's withEnvironmentVariable -->
           <argLine>--add-opens java.base/java.util=ALL-UNNAMED</argLine>
+          <systemProperties>
+            <property>
+              <name>ROOT_LOG_LEVEL</name>
+              <value>OFF</value>
+            </property>
+            <property>
+              <name>APP_LOG_LEVEL</name>
+              <value>OFF</value>
+            </property>
+          </systemProperties>
+
         </configuration>
       </plugin>
       <plugin>

src/test/resources/logback-test.xml

@@ -0,0 +1,18 @@
+<configuration>
+    <appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
+        <withJansi>true</withJansi>
+        <encoder>
+            <pattern>%cyan(%d{HH:mm:ss.SSS}) %gray([%thread]) %highlight(%-5level) %magenta(%logger{36}) - %msg%n</pattern>
+        </encoder>
+    </appender>
+
+    <root level="${ROOT_LOG_LEVEL:-info}">
+        <appender-ref ref="STDOUT" />
+    </root>
+
+    <!-- Enable debug logging for the entire com.cloudogu.gitops package -->
+    <logger name="com.cloudogu.gitops" level="${APP_LOG_LEVEL:-debug}"/>
+
+    <!-- You can also enable debug for specific packages if needed -->
+    <!-- <logger name="org.eclipse.jgit" level="debug"/> -->
+</configuration>