GithubCI: add dev certificate before e2e tests

Add HTTPS dev certificate right before running end-to-end
tests.

.github/workflows/CI.yml

@@ -36,12 +36,6 @@ jobs:
           apt install --yes --no-install-recommends ca-certificates
 
           apt install --yes --no-install-recommends dotnet8
-          
-          # Trust ASP.NET Core HTTPS development certificate so that GRPC server can be contacted through HTTPS.
-          # HTTPS connection is used in end-to-end GRPC tests.
-          dotnet dev-certs https
-          sudo -E dotnet dev-certs https --trust --format PEM
-          sudo update-ca-certificates
 
       - name: Restore nuget dependencies
         run: dotnet restore
@@ -55,7 +49,14 @@ jobs:
           redis-server --daemonize yes
 
       - name: Run tests
-        run: dotnet test
+        run: |
+          # Trust ASP.NET Core HTTPS development certificate so that GRPC server can be contacted through HTTPS.
+          # HTTPS connection is used in end-to-end GRPC tests.
+          dotnet dev-certs https
+          sudo -E dotnet dev-certs https --trust --format PEM
+          sudo update-ca-certificates
+          
+          dotnet test
         
   buildAndTest-windows:
     name: Build (Windows)