use n exec

Author: bigmontz

testkit/build.py

@@ -18,8 +18,7 @@ def init_monorepo():
 
 def clean_and_build():
     run_in_driver_repo(["npm", "run", "clean"], env=os.environ)
-    run_in_driver_repo(["n", "use", "16"], env=os.environ)
-    run_in_driver_repo(["npm", "run", "build"],
+    run_in_driver_repo(["n", "exec", "16", "npm", "run", "build"],
                        env=os.environ)
     run_in_driver_repo(["npm", "run", "build::deno", "--",
                         "--output=lib2/"], env=os.environ)