fix : add logic to abort test execution when max devworkspaces target is reached

Instead of returning from each VU iteration after checking number of
currently running DevWorkspaces, abort the test execution to save time
and reduce load on K8s apiserver.

Signed-off-by: Rohan Kumar <rohaan@redhat.com>

Author: rohanKanojia

test/load/devworkspace_load_test.js

@@ -16,6 +16,7 @@
 import http from 'k6/http';
 import {check, sleep} from 'k6';
 import {Trend, Counter} from 'k6/metrics';
+import { test } from 'k6/execution';
 import {htmlReport} from "https://raw.githubusercontent.com/benc-uk/k6-reporter/main/dist/bundle.js";
 import {textSummary} from "https://jslib.k6.io/k6-summary/0.0.1/index.js";
 
@@ -92,7 +93,7 @@ export default function () {
   if (maxDevWorkspaces > 0) {
     const totalDevWorkspaces = getDevWorkspacesFromApiServer().length;
     if (totalDevWorkspaces > maxDevWorkspaces) {
-      return;
+      test.abort('Max concurrent DevWorkspaces target achieved, stopping test gracefully', { abortOnFail: false });
     }
   }
   const vuId = __VU;
@@ -457,7 +458,9 @@ function getDevWorkspacesFromApiServer() {
   }
 
   const body = JSON.parse(res.body);
-  return body.items.map((dw) => dw.metadata.name);
+  return body.items
+      .filter((dw) => dw.status && dw.status.phase === 'Running')
+      .map((dw) => dw.metadata.name);
 }
 
 function generateDevWorkspaceToCreate(vuId, iteration, namespace) {