HDDS-503. Suppress ShellBasedUnixGroupsMapping exception in tests. Contributed by Arpit Agarwal.

(cherry picked from commit 17f5651a5124c6d00fc990f252de7af5c226a314)

hadoop-ozone/integration-test/src/test/resources/log4j.properties

@@ -15,4 +15,7 @@ log4j.rootLogger=info,stdout
 log4j.threshold=ALL
 log4j.appender.stdout=org.apache.log4j.ConsoleAppender
 log4j.appender.stdout.layout=org.apache.log4j.PatternLayout
-log4j.appender.stdout.layout.ConversionPattern=%d{ISO8601} %-5p %c{2} (%F:%M(%L)) - %m%n
+log4j.appender.stdout.layout.ConversionPattern=%d{ISO8601} %-5p %c{2} (%F:%M(%L)) - %m%n
+
+log4j.logger.org.apache.hadoop.security.ShellBasedUnixGroupsMapping=ERROR
+log4j.logger.org.apache.hadoop.util.NativeCodeLoader=ERROR

hadoop-ozone/ozonefs/src/test/resources/log4j.properties

@@ -17,6 +17,7 @@ log4j.appender.stdout=org.apache.log4j.ConsoleAppender
 log4j.appender.stdout.layout=org.apache.log4j.PatternLayout
 log4j.appender.stdout.layout.ConversionPattern=%d{ISO8601} [%t] %-5p %c{2} (%F:%M(%L)) - %m%n
 
+log4j.logger.org.apache.hadoop.security.ShellBasedUnixGroupsMapping=ERROR
 log4j.logger.org.apache.hadoop.util.NativeCodeLoader=ERROR
 
 # for debugging low level Ozone operations, uncomment this line