chore: exit 69 on timeout

Author: WillieRuemmele

src/commands/apex/run/test.ts

@@ -168,6 +168,7 @@ export default class Test extends SfCommand<RunCommandResult> {
         await testService.writeResultFiles(result, { dirPath: flags['output-dir'] }, flags['code-coverage']);
       }
 
+      process.exitCode = 69;
       return result;
     }
   }