[ci] Run xi_test on macOS

Author: cocosolos

.github/workflows/pr_checks.yml

@@ -297,7 +297,7 @@ jobs:
           - runner: macos-26
             test_modules: false
             multi_process: false
-            xi_test: false
+            xi_test: true
             startup_checks: true
           - runner: ubuntu-26.04
             test_modules: false

.github/workflows/test.yml

@@ -101,7 +101,7 @@ jobs:
       build_type: Release
       test_modules: false
       multi_process: true
-      xi_test: ${{ !startsWith(matrix.runner, 'macos') }}
+      xi_test: true
       startup_checks: true
 
   Docker_Test: