Update test.yml

Author: frostebite

.github/workflows/test.yml

@@ -12,7 +12,7 @@ jobs:
     steps:
     - uses: actions/checkout@v1
     - run: |
-        mkdir -r ~/test
+        mkdir -R ~/test
         cp ./index.js ~/test/index.js
     - uses: ./
       id: b64