Adjust K6 thresholds

- Adjust timings based on previous runs.
- Reduce from 5 to 4 parallel clients for CM handle searches
  to avoid OutOfMemoryErrors.

Issue-ID: CPS-2208
Signed-off-by: danielhanrahan <daniel.hanrahan@est.tech>
Change-Id: I339cc3df84b2295bb11371ab73b4948f43615c15
diff --git a/k6-tests/ncmp/7-search-public-property.js b/k6-tests/ncmp/7-search-public-property.js
index 9a8e339..6a46a03 100644
--- a/k6-tests/ncmp/7-search-public-property.js
+++ b/k6-tests/ncmp/7-search-public-property.js
@@ -22,11 +22,11 @@
 import { makeCustomSummaryReport } from "./utils.js";
 
 export const options = {
-    vus: 5,
-    duration: '30s',
+    vus: 4,
+    duration: '60s',
     thresholds: {
         http_req_failed: ['rate == 0'],
-        http_req_duration: ['avg <= 35_000'],
+        http_req_duration: ['avg <= 25000'],
     },
 };
 
@@ -46,4 +46,4 @@
     return {
         stdout: makeCustomSummaryReport(data, options),
     };
-}
\ No newline at end of file
+}