defect #868049 : Multibranch job with branch that contains '/' in name - test results are not reported and job can not be triggered from octane.

CodeClimate fixes

Author: Radislav Berkovich

src/main/java/com/microfocus/application/automation/tools/octane/CIJenkinsServicesImpl.java

@@ -689,7 +689,7 @@ private Job getJobByRefId(String jobRefId) {
 			if (item instanceof Job) {
 				result = (Job) item;
 			} else if (jobRefId.contains("/") && item == null) {
-				String parentJobRefId = jobRefId.substring(0, jobRefId.indexOf("/"));
+				String parentJobRefId = jobRefId.substring(0, jobRefId.indexOf('/'));
 				item = getTopLevelItem(parentJobRefId);
 				if (item != null) {
 					Collection<? extends Job> allJobs = item.getAllJobs();