Expect .exe extension for Windows

Author: badeball

features/json_config.feature

@@ -5,7 +5,7 @@ Feature: JSON config
     And a file named "assert_args_and_exec.js" with:
       """
       const assert = require("assert/strict");
-      assert.match(process.argv[0], /node$/);
+      assert.match(process.argv[0], /node(:?\.exe)?$/);
       assert.match(process.argv[1], /assert_args_and_exec\.js$/);
       assert.equal(process.argv[2], "cucumber-json-formatter");
       require("child_process").execSync(process.argv[2], { stdio: "inherit" });