Fix failing docker packaging tests due to too long commandline (elastic#125053)

* Increate COLUMN for detecting running elasticsearch instance
* Unmute DockerTest test

Author: breskeby

muted-tests.yml

@@ -390,9 +390,6 @@ tests:
 - class: org.elasticsearch.backwards.MixedClusterClientYamlTestSuiteIT
   method: test {p0=search/610_function_score/Random}
   issue: https://github.com/elastic/elasticsearch/issues/125010
-- class: org.elasticsearch.packaging.test.DockerTests
-  method: test010Install
-  issue: https://github.com/elastic/elasticsearch/issues/119441
 - class: org.elasticsearch.xpack.ilm.DataStreamAndIndexLifecycleMixingTests
   method: testGetDataStreamResponse
   issue: https://github.com/elastic/elasticsearch/issues/125083

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=3000 ps ax'").stdout();
+                psOutput = dockerShell.run("bash -c 'COLUMNS=4000 ps ax'").stdout();
 
                 if (psOutput.contains("org.elasticsearch.bootstrap.Elasticsearch")) {
                     isElasticsearchRunning = true;