Workaround docker test issue

Author: breskeby

qa/packaging/src/test/java/org/elasticsearch/packaging/util/docker/Docker.java

@@ -187,7 +187,7 @@ public static void waitForElasticsearchToStart() {
                 Thread.sleep(STARTUP_SLEEP_INTERVAL_MILLISECONDS);
 
                 // Set COLUMNS so that `ps` doesn't truncate its output
-                psOutput = dockerShell.run("bash -c 'COLUMNS=4000 ps ax'").stdout();
+                psOutput = dockerShell.run("bash -c 'COLUMNS=5000 ps ax'").stdout();
 
                 if (psOutput.contains("org.elasticsearch.bootstrap.Elasticsearch")) {
                     isElasticsearchRunning = true;