Adapt the log levels in the logging tests to avoid false positives (#449)

Author: siegfriedweber

tests/templates/kuttl/logging/03-install-hdfs-automatic-log.yaml.j2

@@ -86,10 +86,13 @@ spec:
                 console:
                   level: INFO
                 file:
-                  level: INFO
+                  # Set the log level to DEBUG because if the NameNodes
+                  # are already ready then nothing is logged at the INFO
+                  # level.
+                  level: DEBUG
                 loggers:
                   ROOT:
-                    level: INFO
+                    level: DEBUG
   journalNodes:
     roleGroups:
       default:

tests/templates/kuttl/logging/04-install-hdfs-custom-log.yaml.j2

@@ -49,7 +49,9 @@ metadata:
   name: hdfs-wait-for-namenodes-log-config
 data:
   wait-for-namenodes.log4j.properties: |
-    log4j.rootLogger=INFO, FILE
+    # Set the log level to DEBUG because if the NameNodes are already
+    # ready then nothing is logged at the INFO level.
+    log4j.rootLogger=DEBUG, FILE
     log4j.appender.FILE=org.apache.log4j.FileAppender
     log4j.appender.FILE.File=/stackable/log/wait-for-namenodes/wait-for-namenodes.log4j.xml
     log4j.appender.FILE.layout=org.apache.log4j.xml.XMLLayout