HADOOP-18045. Disable TestDynamometerInfra (#3829)

Reviewed-by: Fei Hui <feihui.ustc@gmail.com>
(cherry picked from commit dba139cd0f9b7430a825cc0251545c94bec2fc55)

hadoop-tools/hadoop-dynamometer/hadoop-dynamometer-infra/src/test/java/org/apache/hadoop/tools/dynamometer/TestDynamometerInfra.java

@@ -76,6 +76,7 @@ import org.junit.AfterClass;
 import org.junit.Assert;
 import org.junit.Assume;
 import org.junit.BeforeClass;
+import org.junit.Ignore;
 import org.junit.Test;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
@@ -111,6 +112,7 @@ import static org.junit.Assert.fail;
  * property to point directly to a Hadoop tarball which is present locally and
  * no download will occur.
  */
+@Ignore
 public class TestDynamometerInfra {
 
   private static final Logger LOG =