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/1-create-cmhandles.js b/k6-tests/ncmp/1-create-cmhandles.js
index a6f8086..60594c7 100644
--- a/k6-tests/ncmp/1-create-cmhandles.js
+++ b/k6-tests/ncmp/1-create-cmhandles.js
@@ -35,7 +35,7 @@
     iterations: Math.ceil(TOTAL_CM_HANDLES / BATCH_SIZE),
     thresholds: {
         http_req_failed: ['rate == 0'],
-        http_req_duration: ['avg <= 1000'],
+        http_req_duration: ['avg <= 850'],
     },
 };
 
@@ -65,4 +65,4 @@
     return {
         stdout: makeCustomSummaryReport(data, options),
     };
-}
\ No newline at end of file
+}