Update test command in build workflow

Removed CODE_SIGNING_ALLOWED=NO from test command.

Author: sdrabb

.github/workflows/build.yml

@@ -227,8 +227,7 @@ jobs:
         run: |
           xcodebuild test \
             -scheme macOS \
-            -destination 'platform=macOS' \
-            CODE_SIGNING_ALLOWED=NO
+            -destination 'platform=macOS' 
   build-universal:
     name: Build UTM (Universal Mac)
     runs-on: ${{ fromJSON(needs.configuration.outputs.runner) }}