refactor(artillery): adjust PKP sign test configuration for stress testing

Author: Ansonhkg

e2e/artillery/configs/pkp-sign.yml

@@ -1,26 +1,26 @@
 config:
   target: "dummy"
   phases:
+    # Over 60s, ramp up to creating 50 vusers per second
     - duration: 60
       arrivalRate: 5
-      maxVusers: 20
+      # rampTo: 50
+      rampTo: 10
       name: "Ramp Up"
+    # Over 300s, create 50 vusers per second
     - duration: 300
-      arrivalRate: 15
-      maxVusers: 50
+      # arrivalRate: 50
+      arrivalRate: 10
       name: "Sustained PKP Signing"
+    # Over 60s, ramp down to creating 5 vusers per second
     - duration: 60
       arrivalRate: 5
-      maxVusers: 20
       name: "Ramp Down"
   processor: "../src/processors/pkpSign.ts"
-  environments:
-    production:
-      target: "dummy"
 
 scenarios:
-  - name: "PKP Sign Load Test"
+  - name: "PKP Sign Stress Test"
     weight: 100
     flow:
       - function: "runPkpSignTest"
-      - think: 2 
+      - think: 0.1