Fix exit code in certutil packaging test

The exit code is different on windows, and we don't really care about
which code it is, we just need to check that it's not 0 (success)

Backport of: elastic#38393

Author: tvernum

qa/vagrant/src/main/java/org/elasticsearch/packaging/test/ArchiveTestCase.java

@@ -54,6 +54,7 @@
 import static org.elasticsearch.packaging.util.ServerUtils.makeRequest;
 import static org.hamcrest.CoreMatchers.containsString;
 import static org.hamcrest.CoreMatchers.is;
+import static org.hamcrest.CoreMatchers.not;
 import static org.hamcrest.CoreMatchers.notNullValue;
 import static org.hamcrest.MatcherAssert.assertThat;
 import static org.hamcrest.Matchers.isEmptyString;
@@ -317,7 +318,7 @@ public void test90SecurityCliPackaging() {
 
                 // Ensure that the exit code from the java command is passed back up through the shell script
                 result = sh.runIgnoreExitCode(bin.elasticsearchCertutil + " invalid-command");
-                assertThat(result.exitCode, is(64));
+                assertThat(result.exitCode, is(not(0)));
                 assertThat(result.stdout, containsString("Unknown command [invalid-command]"));
             };
             Platforms.onLinux(action);