[JENKINS-50663] - Restore Remoting manifest checks as requested by @r…

…sandell

src/test/java/org/jenkinsci/plugins/pipeline/utility/steps/conf/mf/ReadManifestStepTest.java

@@ -96,8 +96,10 @@ public void testRemotingJar() throws Exception {
                         "  assert man != null\n" +
                         "  assert man.main != null\n" +
                         "  echo man.main['Version']\n" +
+                        "  assert man.main['Version'] == '" + remotingVersion + "'\n" +
                         "  echo man.main['Application-Name']\n" +
                         "  assert man.main['Application-Name'] == 'Jenkins Remoting Agent'\n" +
+                        "  assert man.entries['org/kohsuke/args4j/spi/PatternOptionHandler.class']['SHA-256-Digest'] != null\n" +
                         "}\n"
                 , true));
         WorkflowRun run = j.assertBuildStatusSuccess(p.scheduleBuild2(0));