Merge pull request #26212 from apple/shahmishal/master-standalone-flag

Add `--standalone` flag to simctl spawn command to avoid "Invalid dev…

Author: shahmishal

test/lit.cfg

@@ -116,13 +116,13 @@ def get_simulator_command(run_os, run_cpu, sdk_path):
                 print("INFO: Xcode -> Preferences -> Components -> Simulators")
                 sys.exit(1)
             else:
-                return "simctl spawn 'iPhone 5'"
+                return "simctl spawn --standalone 'iPhone 5'"
         else:
-            return "simctl spawn 'iPhone Xs'"
+            return "simctl spawn --standalone 'iPhone Xs'"
     elif run_os == 'tvos':
-        return "simctl spawn 'Apple TV 4K'"
+        return "simctl spawn --standalone 'Apple TV 4K'"
     elif run_os == 'watchos':
-        return "simctl spawn 'Apple Watch Series 3 - 38mm'"
+        return "simctl spawn --standalone 'Apple Watch Series 3 - 38mm'"
     else:
         lit_config.fatal("Unknown simulator OS %r" % run_os)