add pytest install

.github/workflows/run_smoke_test.yml

@@ -1,16 +1,19 @@
 name: Smoke Test 
 on: 
+  workflow_call:
+  workflow_dispatch:
   pull_request:
     types: [opened, reopened]
     branches:
       - "main"
   pull_request_review:
     types: [submitted]
   push:
+    paths:
+      - ".github/workflows/run_smoke_test.yml"
     branches:
       - "main"
       - "*smoke*"
-  workflow_dispatch:
 
 jobs:
   smoke-test-windows:
@@ -32,6 +35,7 @@ jobs:
       - name: Install dependencies
         run: |
           pip3 install -r requirements.txt
+          pip3 install -U pytest
 
       - name: Download OPA executable
         run: |