ci: add chaos testing

.github/workflows/slo.yml

@@ -54,7 +54,8 @@ jobs:
             label: xorm
 
     concurrency:
-      group: slo-${{ github.ref }}-${{matrix.sdk.name}}
+      group: slo-${{ github.ref }}-${{ matrix.sdk.name }}
+      cancel-in-progress: true
 
     steps:
       - name: Checkout repository
@@ -79,6 +80,20 @@ jobs:
           github_token: ${{ secrets.GITHUB_TOKEN }}
           sdk_name: ${{ matrix.sdk.name }}
 
+      - name: Download chaos testing tool
+        uses: robinraju/release-downloader@v1
+        with:
+            repository: 'alexei-led/pumba'
+            tag: '0.10.1'
+            fileName: 'pumba_linux_amd64'
+
+      - name: Run chaos testing
+        run: |
+            echo 'Performing chaos testing...'
+            chmod +x ./pumba_linux_amd64
+            sleep 30
+            ./pumba_linux_amd64 --random --interval 30s restart re2:^ydb-dynamic &
+
       - name: Run SLO Tests
         run: |
           ./tests/slo/.bin/${{matrix.sdk.id}}_linux_amd64 create grpc://localhost:2135 /Root/testdb