YARN-9231. TestDistributedShell fix timeout. Contributed by Prabhu Joseph.

hadoop-yarn-project/hadoop-yarn/hadoop-yarn-applications/hadoop-yarn-applications-distributedshell/pom.xml

@@ -186,6 +186,7 @@
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-surefire-plugin</artifactId>
         <configuration>
+          <forkedProcessTimeoutInSeconds>1800</forkedProcessTimeoutInSeconds>
           <environmentVariables>
             <JAVA_HOME>${java.home}</JAVA_HOME>
           </environmentVariables>